↑ Cases reported by each county's health department. Cases reported are those of county residents, including those who tested positive elsewhere in California.
↑ "–" denotes that no data is currently available for that county, not that the value is zero. Counties differ in what they consider to be a recovery.
↑ Including cases in the City of Berkeley, which are reported in collaboration with Alameda County.
↑ On March 14, 2020, CDPH started reporting the numbers as of 6 PM instead of 8 AM. More cases may be reported due to a longer reporting interval that is more than 24 hours (i.e. 34 hours).
↑ On March 20, 2020, CDPH started reporting the numbers as of 2 PM instead of 6 PM. Fewer cases may be reported due to a shorter reporting interval that is less than 24 hours (i.e. 20 hours).
↑ CDPH did not report data on March 28, 2020. As a result, the reporting interval on March 29, 2020 is for 2 days (or 48 hours).
↑ On March 30, 2020, CDPH stopped reporting the exact time in which the statistics were tallied.
January–February
On January 26, the CDC confirmed the first case in California, the third case in the U.S. The person, a man in his 50s, who had returned from travel to Wuhan, China, was released from the hospital in Orange County on February 1 in good condition to in-home isolation.[5] On January 31, the CDC confirmed the seventh case in the U.S., a man in Santa Clara County, who had recently traveled to Wuhan.[65] The man recovered at home and was released from in-home isolation on February 20.[66]
On February 2, the CDC confirmed the U.S.'s ninth case in a woman in Santa Clara County, California, who had recently traveled to Wuhan. This case was unrelated to the first case in Santa Clara.[68] On the same day, the CDC reported the tenth and eleventh cases in San Benito County, including the second instance of human-to-human transmission.[69]
On February 5, the U.S. evacuated 345 citizens from Hubei Province and took them to two air bases in California, Travis Air Force Base in Solano County and Marine Corps Air Station Miramar, San Diego, to be quarantined for 14 days.[70][67] The evacuees from one more government evacuation flight on February 6 were also taken to bases in Nebraska and Texas.[67][71]
A COVID-19-related death occurred on February 6; this death was not discovered and publicly revealed until April 22 after an autopsy.[72]
On February 15, the government evacuated 338 U.S. nationals stranded aboard the cruise ship Diamond Princess, which had been held in quarantine in Yokohama, Japan.[73] Fourteen of those repatriated people were infected with the virus.[74] Five more nationals who were also reported as being infected were evacuated from the ship the following week, and were quarantined at Travis Air Force Base; several more cases among the evacuees were later confirmed.[75]
On February 26, a case of unknown origin was confirmed in a resident of Solano County.[76][77] The UC Davis Medical Center in Sacramento said that when the person was transferred there on February 19, the medical team suspected it was COVID-19 and asked the CDC to test for SARS-CoV-2. The CDC initially refused since the person, who had no known exposure to the virus through travel or close contact with a known infected individual, did not meet the criteria for testing. The person was ultimately tested on February 23; the test results returned positive on February 26.[78]
After this first case of community transmission in the U.S., a case with no known origin recognized in Solano County, California,[79] the CDC revised its criteria for testing patients for SARS-CoV-2, and on February 28 began sending out the new guidelines for healthcare workers.[80][81]
March
New COVID-19 cases in California by county - March 2020 (
^includes cases from City of Berkeley and Alameda County proper
† Had cases reported before March 1
March 1–4
On March 1, two cases were reported in Alameda and Solano Counties, in health care workers at the NorthBay VacaValley Hospital. The workers were exposed to the patient in the case reported February 26 in Solano County.[140]
On March 2, an adult resident of San Mateo County tested presumptively positive; they were placed in isolation in a hospital. The source of exposure was reported as unknown.[141]
On March 4, California public health officials in Placer County reported a second confirmed case in an "older adult" resident with underlying health conditions who was aboard the Princess Cruises cruise ship Grand Princess on a cruise to Mexico that departed San Francisco on February 11 and returned on February 21.[142] Although initial reports indicated that the new case had been hospitalized in "critically ill" condition, public health officials in Placer County subsequently reported the new case's death later on the same day. This marked the eleventh death in the United States attributable to coronavirus, the first death in the U.S. attributable to coronavirus outside Washington state, and the first death in California attributable to coronavirus.[143][144] The source of the new case's infection appears to be the same as that of a resident of Sonoma County who tested positive on March 2 and who was also aboard the cruise ship Grand Princess on the same dates.[145][146] In relation to this, Governor Gavin Newsom declared a State of Emergency in California.[147] Consequently, Princess Cruises, the owner and operator of the cruise ship Grand Princess, working with the CDC, the state of California, and public health officials in San Francisco, terminated a port call in Ensenada, Mexico planned for March 5 and ordered the cruise ship to return to San Francisco over concerns about the potential for an outbreak of coronavirus aboard the cruise ship. Sixty-two passengers still aboard Grand Princess who may have made contact with the Placer County case that died earlier in the day were quarantined aboard the cruise ship at the request of the CDC.[148] In addition, eleven passengers and ten crew members were exhibiting potential symptoms of coronavirus, and Grand Princess was ordered by the state of California to remain offshore while test kits were being airlifted to the cruise ship.[149][150][151][152][153][154][excessive citations]
March 5–6
On March 5, the San Francisco Department of Public Health reported two community spread cases within the city.[155] The two cases were unrelated and hospitalized at different hospitals in San Francisco.[156]Yolo County reported its first case, through community transmission.[157]
Press reports in April indicated that Santa Clara County began a community surveillance test from March 5 to 14, finding that 11% of patients reporting non-flu respiratory symptoms were infected with coronavirus. As a result of those findings, the County began issuing increasingly aggressive social-distancing policies, starting on March 9.[158]
March 7
Eight new cases were reported in Santa Clara County, bringing the total number of cases in the county to 32.[159] A faculty member of the Stanford University School of Medicine has tested positive for coronavirus.[160] The faculty member stopped attending work after symptoms had appeared, and the member's place of work was closed for terminal cleaning.[160]
In Santa Cruz County, officials confirmed the county's first case, a former passenger of Grand Princess.[161] Six presumptive positive cases were reported in San Francisco. All were reported as isolated at home in good condition. Each patient had contact with a confirmed case.[162] In Elk Grove, a family tested positive and was quarantined, resulting in the closure of Elk Grove Unified School District for the week of March 7–13, including student activities and events. In a letter to families, the school district announced no students or employees had tested positive.[163]
In Madera County, officials confirmed the county's first coronavirus case from a person who had been aboard Grand Princess. Their spouse, whom they were with on the cruise, was also being monitored. Both were taken to the Madera Community Hospital and were reported as in monitored isolation.[164] In Fresno County, two people returning from Grand Princess were quarantined and tested for the virus, with one person testing positive, making them the county's first confirmed case.[165]
March 8–9
Contra Costa County reported 5 new cases on March 8. Four of the patients did not travel or have known contact with a coronavirus case and are currently being treated at hospitals around the county. The fifth person had contact with a previous case and is being isolated at home. This brings the total number of confirmed cases in the county to nine.[166] Santa Clara County reported 5 new cases, bringing the total number of known cases in the county to 37.[167] In Rocklin, Sierra College announced all classes and lectures would be moved online by March 18 after two office staff members were quarantined following exposure to COVID-19, with students being tested. In addition, the campus announced it would be limiting student activities, including continuing sporting events with no spectators.[168]Shasta County reported its first presumptive case. A 50-year-old man with a history of recent travel was reported to be recovering in isolation at home.[169]
Hand sanitizer sold out at a drug store in Folsom, California on March 9
On March 9, three tested positive in Sacramento County.[170] Santa Clara County announced the state's second COVID-19 death.[171] A woman in her 60's was in the hospital for several weeks, she was the first confirmed case of COVID-19 in the county who had not traveled internationally or had contact with an already infected patient, which suggests it was a ‘community spread’ case. The patient was also the third confirmed case reported in the county on February 28.[172]San Francisco reported five new cases, who each had known contact with an existing case. The patients are isolated at home and are in good condition. This brings the number of cases in San Francisco to 13.[173] Elementary aged child attending grammar school in Elk Grove tests positive for COVID-19.[174]
March 10–11
On March 10, Governor Gavin Newsom announced 24 new cases of COVID-19 for a total of 157 confirmed cases in the state.[175]Alameda County reported its third confirmed case in the county. The new case is the spouse of the second case, who was a passenger aboard Grand Princess. The new patient had already been quarantined at home and remains isolated.[176]San Francisco reports a new case in a patient who had known contact with a confirmed case, bringing the total number of confirmed cases of COVID-19 in the city to 14 with 89 confirmed cases in the Bay Area. The patient of the new case is currently hospitalized.[177] The city announces a ban on large gatherings and relief for small businesses[178] A resident of an assisted living home in Elk Grove in Sacramento County tested positive from complications of the virus.[179] County health officials said they have the capacity to only test 20 people per day and would be focusing all their efforts on the other residents of the retirement home.[180] That resident died from complications of the virus on the same day.[179]Ventura County confirms its first case of COVID-19.[181]
Marin County reported two new cases on March 11, bringing the total number of confirmed cases in the county to three. The two cases lived with the first confirmed case, who was a passenger on Grand Princess. The pair have been isolated in their home and are experiencing mild symptoms that do not require hospitalization.[182] A woman who was in her 60s and had underlying medical conditions died in Los Angeles County. She was not a resident of Los Angeles and had traveled extensively, including a long layover in South Korea. Her death is the first in Los Angeles County and the fourth in California.[183]San Jose International Airport reported that three of its TSA agents have tested positive.[184] All three agents worked in Terminal B, and 42 TSA agents have been quarantined.[185] A firefighter in the city of Alameda tested positive for coronavirus and is being quarantined.[186]
March 12–13
Alameda County confirmed four additional cases on March 12, bringing the total number to seven. Two of the four new cases are the first community-spread cases in the county, and the other two cases are linked to confirmed cases.[187]San Francisco reported four new cases, bringing the total of confirmed cases to 18. Two of the new cases are hospitalized and the other two are isolated at home. One of the patients had close contact with a confirmed case, while the other three did not recently travel to a country with coronavirus cases and did not have close contact with a confirmed patient.[188] Four firefighters with the San Jose Fire Department tested positive for the coronavirus. The sick firefighters also have multiple family members who have tested positive for COVID-19.[189]
San Joaquin County reported 5 more cases on March 13, increasing the number to 8.[190] The San Joaquin County Department of Public Health declared a Public Health Emergency, causing all schools within the county to close until April 6.[191]Santa Clara County reported 13 more cases, bringing the county's total to 79. Health officials also announced the second coronavirus death in Santa Clara County; the patient was a woman in her 80s who was hospitalized on March 9.[192] In San Jose, a fourth TSA agent at Mineta International Airport tested positive for COVID-19 and two additional firefighters have also tested positive, bringing the total number of San Jose Firefighters with the virus to six. As a result, 70 other firefighters are being monitored after possible exposure to the virus.[192]Stanford University confirmed an undergraduate student has tested positive for the coronavirus; the student is self-isolating.[193] Los Angeles County reported eight new cases, bringing their total to 40.[194]San Diego County reported a total of eleven cases[195][196]Contra Costa County updated their total to 25 cases.[197]
March 14
Santa Clara County reported 17 new cases, bringing the total in the county to 91.[198]San Francisco reported five new cases, bringing the total to 28,[199] and issued an order forbidding visitors to hospitals.[200] Two additional cases of coronavirus have been confirmed in Marin County, bringing the total number to five. The two new cases had no known exposure to other cases, and are believed to be a result of community spread — the first in the county. The two people are quarantined at home and will remain in quarantine until they are no longer infected.[201] A U.C. Berkeley graduate student has tested positive for the novel coronavirus. The student doesn't live on campus or in the city of Berkeley; they have self-isolated at home and the person is in good condition with no serious symptoms.[202]
San Luis Obispo County has confirmed its first coronavirus case a day after the county has both declared a public health emergency and closed down its schools. The patient is from North County (Atascadero, Templeton, and Paso Robles) and is currently recovering in isolation.[203]Sonoma County reported its first case of community spread virus, bringing their total cases to three.[204] Los Angeles County reported eleven new cases, bringing their total to 53.[citation needed]
March 15
San Francisco reported 9 new cases, bringing their total to 37.[205] Two health workers at UC San Francisco have tested positive for the coronavirus; they have been self-quarantined.[206]San Mateo County reported its first coronavirus related death; the total number of confirmed cases in the county is 32.[207]Santa Clara County reported 23 new cases, bringing the total in the county to 114.[208]Santa Barbara[209] and San Bernardino[210] Counties reported their first confirmed cases.
San Luis Obispo County has received their second confirmed case after the County Public Health Laboratory conducted over 100 tests for COVID-19 last week. The patient is currently in isolation at home.[211] Los Angeles County reported sixteen new cases, bringing their total to 69.[212]San Diego County updated their total to 33 cases.[213]
San Mateo County reported 10 new cases, increasing their total to 41,[214] and Alameda County reported 8 new cases, bringing their total to 18.[215] Santa Clara County reported 24 new cases, bringing their total to 138.[216] San Francisco reported 3 new cases, bringing their total to 40.[199] Los Angeles County reported 25 new cases, bringing their total to 94.[217]San Diego County updated their total to 55 cases[218] and Contra Costa County updated theirs to 34 cases.[219] Nevada County Public Health reports first confirmed case of COVID-19.[220] The person recently traveled outside the country, and at the time of this report, it appears the disease was acquired during international travel, but authorities were still in the earliest stages of investigation. San Joaquin County reported 13 cases.[221]
Empty shelves at a San Francisco grocery store after panic buying on March 17, 2020
On March 17, San Francisco County reported 3 new cases, bringing their total to 43;[222] Los Angeles County reported 50 new cases, bringing their total to 144;[223]Alameda County reported 8 new cases, bringing their total to 27;[215] Santa Clara County reported 17 new cases, bringing their total to 155;[224] San Mateo county reported 23 new cases, bringing their total to 64;[225] Contra Costa County reported 5 new cases, bringing their total to 39.[226] Sacramento County reported 40 confirmed cases and two deaths.[227] Orange County reported 22 total cases.[228] Riverside County reported 15 total cases and 3 deaths.[229]Monterey County announced their first two cases.[230] San Luis Obispo reported 3 new cases, bringing their total to 6.[231][232]
March 18–19
On March 18, Los Angeles County increased to 190,[223] San Mateo increased to 80,[214] San Diego County increased to 75,[213] San Francisco County increased to 51,[199] Contra Costa increased to 41,[226] Alameda County increased to 31,[215] Orange County increased to 42,[228] Riverside County increased to 16,[229] and San Joaquin County increased to 14[221] confirmed cases. Ventura County reported 13 cases.[233]Mendocino County announced its first case.[234]
On March 19, Los Angeles County increased to 231,[223] Santa Clara County increased to 189,[235] San Mateo increased to 89,[214] San Francisco County increased to 70,[199] Orange County increased to 53,[228] Sacramento County increased to 45,[227] Contra Costa increased to 42,[226] Alameda County increased to 35,[215] San Joaquin County increased to 15,[221] and Santa Cruz County increased to 14[236] cases.
March 20
Los Angeles playground closed due to the stay-at-home order on March 20, 2020
Los Angeles County increased to 292,[223] Santa Clara County increased to 196,[235] San Mateo County increased to 100,[214] San Diego County increased to 120[213] San Francisco County increased to 76,[199] Orange County increased to 65,[228] Sacramento County increased to 53 cases with 3 deaths,[227] Contra Costa County increased to 46,[226] Alameda County increased to 45,[215] Marin County increased to 38,[237] Riverside County increased to 28,[229] San Joaquin County increased to 20,[221] Ventura County increased to 17,[233] Santa Cruz County increased to 15,[236] San Luis Obispo reported 16,[238] Santa Barbara reported 9 cases,[239] San Bernadino reported 9 cases,[240] Yolo increased to 6 cases,[241] and Fresno County reported 6 cases including their first person-to-person transmission.[242] Los Angeles County, which is nationally the second-largest municipal health system, believes it can no longer contain the virus and changed their guidelines for COVID-19 testing to not test symptomatic patients if a positive result would not change their treatment.[243]
March 21
Los Angeles County increased to 351,[244] Santa Clara County increased to 263,[235] San Mateo County increased to 110,[214] San Francisco increased to 84,[199] Orange County increased to 78,[228] Alameda County increased to 65,[215] Contra Costa County increased to 51,[226] San Joaquin County increased to 25 cases,[221] San Luis Obispo increased to 21,[238] Solano County reported 13 cases,[245] Tulare County reported 11 cases,[246] and Placer County reported 12 cases with 1 death.[247] The Departments of Public Health from Yuba and Sutter Counties confirmed two cases in Yuba County, the first cases in Yuba and Sutter counties combined.[248] Neither patient required hospitalization, and both individuals were in isolation at home and recovering well. The second case is not related to the first case, and both cases are deemed to be a community-transmitted case.[citation needed]
March 22–23
On March 22, Los Angeles increased to 409 cases and 5 deaths,[223] Santa Clara increased to 302 with 10 deaths,[235] San Diego increased to 148,[213] San Mateo increased to 117,[214] San Francisco increased to 108,[199] Alameda County increased to 100,[215] Contra Costa increased to 61,[226] Orange County increased to 95,[228] Riverside increased to 45,[229] San Joaquin increased to 34,[221] Ventura increased to 26,[233] San Luis Obispo increased to 27,[238] Santa Barbara increased to 13,[239] and San Bernadino increased to 17[240] cases.
On March 23, cases in Los Angeles County increased to 536 with 7 deaths,[223] Santa Clara County increased to 375 with 16 deaths,[235] San Diego increased to 205 with 1 death,[213] San Mateo increased to 142,[214] San Francisco to 131,[199] Alameda to 112 with one death,[215] Sacramento to 88 with 4 deaths,[227] Contra Costa to 71,[226] San Joaquin to 45,[221] Ventura to 30,[233] Placer to 20,[247] Santa Cruz to 22,[235] Santa Barbara to 18,[239] and Solano to 14.[245]
March 24–25
On March 24, cases in Los Angeles County increased to 662 with 11 deaths,[223] San Mateo County increased to 161,[214] San Francisco increased to 152 with one death,[199] Orange County to 152,[228] Alameda County to 124 with two deaths,[215] San Joaquin to 60,[221] Riverside County to 59 with 6 deaths,[229] San Joaquin to 55,[221] Ventura to 35,[233] San Luis Obispo to 33,[238] Santa Cruz to 24,[236] Tulare to 17,[246] Yolo County increased to 9,[241] Shasta County increased to 3,[249] and Mendocino County increased to 2.[250]
A teenager who tested positive and died in Lancaster, part of Los Angeles County, might be the first individual in the U.S. under the age of 18 to die of COVID-19.[251] It was initially reported that the 17-year-old boy was denied health care at an urgent care clinic because he did not have health insurance. He was then transported from that clinic to Antelope Valley Hospital, during which time he went into cardiac arrest.[252] However, it turns out an earlier language barrier resulted in the facts not being fully portrayed in early reporting. The boy did have insurance and contacted Kaiser Permanente who told him to instead go to Antelope Valley Hospital. In transit, the patient coded and six hours of efforts in the emergency room were ultimately not successful in reviving him. Additionally, Los Angeles County Public Health officials later stated they were asking the CDC to investigate the cause of death as "Though early tests indicated a positive result for COVID-19, the case is complex and there may be an alternate explanation for this fatality". On March 24, a spokesperson said that due to patient privacy, they were not willing to give further details.[253]
On March 25, cases in Los Angeles County increased to 799 with 12 deaths.[223] Santa Clara County increased to 459 with 17 deaths,[235] San Francisco to 178,[199] San Mateo to 165 cases with 5 deaths,[214] Sacramento County to 113 with 5 deaths,[227] Contra Costa to 108,[226] Riverside to 70,[229] San Joaquin to 71 with 3 deaths,[221] San Luis Obispo to 46,[238] Ventura to 39,[233] San Bernadino to 38,[240] Placer to 30,[247] Santa Cruz to 25,[236] Santa Barbara to 24,[239] Fresno to 18,[242] and Yolo to 10.[241]
March 26—27
A freeway sign in Southern California on March 26 urging people to wash their hands to avoid COVID-19The USNS Mercyhospital ship arrived in Los Angeles on March 27 to provide relief to the hospital system by treating non-COVID-19 patients
On March 26, cases in Los Angeles County increased to 1,216 with 21 deaths,[223] Santa Clara to 542 with 19 deaths,[235] San Diego to 341 with 3 deaths,[213] Orange to 256 with 1 death,[228] San Francisco to 223 with 2 deaths,[199] San Mateo to 195 cases,[214] Alameda to 164 with 4 deaths,[215] Riverside to 107 with 8 deaths,[229] Contra Costa to 131,[226] San Joaquin to 78,[221] San Luis Obispo to 54,[238] Ventura to 50 with 1 death,[233] Santa Cruz to 32,[236] and in Fresno to 27.[242] On March 27, Los Angeles County increased to 1465 cases with 26 deaths,[223] Orange County to 321 cases with 3 deaths,[228] San Francisco County to 279 with 3 deaths,[199] San Mateo to 239,[214] Alameda to 204,[215] Sacramento to 164 with 6 deaths,[227] Riverside to 151 with 8 deaths,[229] Contra Costa to 147 cases,[226] San Joaquin to 90 with 3 deaths,[221] Ventura to 61,[233] Santa Cruz to 34,[236] Santa Clara to 574 with 20 deaths.[235]
March 28–29
On March 28, Santa Clara County cases increased to 591 with 25 deaths, San Francisco to 308 with 4 deaths, San Mateo to 274 cases, Alameda County to 240 cases with 6 deaths, Contra Costa County to 168 cases.[254] On March 29, San Francisco increased to 340 with 5 deaths,[199] and Alameda County to 254.[215]
On March 30, Los Angeles County increased to 2,474 cases with 44 deaths,[223] Santa Clara County increased to 848 cases with 28 deaths (noting that the increase of 202 cases included results that had not been reported over the previous two days),[235] San Diego increased to 603 cases,[213] San Mateo County increased to 309 cases,[214] Riverside to 291 cases with 9 deaths,[229] Alameda County increased to 264,[215] Sacramento County increased to 224 cases with 7 deaths,[227] Contra Costa to 187,[226] San Joaquin to 123 cases with 6 deaths,[221] San Bernadino to 111 cases with 3 deaths,[240] Ventura to 109 cases,[233] Fresno to 53 cases,[242] San Luis Obispo to 77 cases,[238] Placer to 57 cases with 2 deaths,[247] Santa Cruz to 45 cases with one death,[236] and Shasta to 5 cases,[249] and San Francisco to 374 with 5 deaths.[199]
On March 31, Alameda County increases to 294 cases [215] and San Francisco to 397 with 6 deaths.[199]
April
April 1–2
On April 1, Santa Clara County increased to 956 cases with 32 deaths, and began to report hospital and laboratory testing results, acknowledging that, "because of limited testing capacity through the Public Health Laboratory, the number of cases that we detect through testing represent only a small portion of the total number of likely cases in the county".[235]
Los Angeles County reported 3,518 cases with 65 deaths,[223] San Diego reported 849 cases with 15 deaths,[213] Orange County increased to 606 cases with 10 deaths,[228] San Mateo county to 453 cases with 10 deaths,[214] San Francisco to 434 with 7 deaths,[199] Riverside County to 429 cases with 13 deaths,[229] Alameda County increased to 339 cases with 8 deaths,[215] Sacramento to 314 cases with 9 deaths,[227] San Bernadino to 254 cases with 6 deaths,[240] Contra Costa county to 250 cases,[226] San Joaquin to 173 cases with 9 deaths,[221] Ventura County to 160 cases with 5 deaths,[233] Santa Barbara to 111 cases,[239] Placer County to 90 cases with 2 deaths,[247] San Luis Obispo to 83 cases,[238] Fresno County to 82 cases,[242] Tulare County to 59 cases with 2 deaths,[246] Santa Cruz to 54 cases,[236] Solano County to 54,[245] Yolo County to 28 cases,[241] and Shasta County to 7 cases with 1 death.[249]
On April 2, San Francisco increased to 450 cases with 7 deaths[199] and Los Angeles County reported 4,045 cases with 78 deaths.[223]
April 3–4
On April 3, San Francisco county increased to 497 with 7 deaths,[199] Alameda County to 416 cases with 12 deaths,[215] and Los Angeles County to 4,566 and 89 deaths.[223]
Empty shelves in the paper goods section at a Southern California grocery store on April 4
On April 4, San Francisco county increased to 529 with 8 deaths,[199] Alameda County to 510 cases,[215] and Los Angeles County to 5,277 and 117 deaths.[223]
April 5–6
On April 5, San Francisco increased to 568 with 8 deaths,[199] Alameda County to 539 cases,[215] and Los Angeles County to 5,940 and 132 deaths.[223]
On April 6, San Francisco county increased to 583 cases with 9 deaths,[199] Alameda County to 557 with 13 deaths,[215] and Los Angeles County to 6,360 and 147 deaths.[223]
On April 7, Alameda County increased to 602 cases with 15 deaths,[215] San Francisco to 622 cases with 9 deaths,[199] and Los Angeles County to 6,910 and 169 deaths.[223]
On April 8, San Francisco county increased to 676 cases with 10 deaths,[199] Alameda to 640 cases with 16 deaths,[215] and Los Angeles County to 7,530 and 198 deaths.[223]
April 9–10
On April 9, San Francisco increased to 724 cases with 10 deaths[199] and Alameda to 681 cases.[215]
On April 10, Alameda County increases to 730 cases with 19 deaths.[215]
April 11–16
On April 11, Alameda County increases to 770 cases with 20 deaths.[215]
On April 14, Los Angeles County is confirmed to have recorded 40 deaths in a period of just one day, setting a single day record.[255] More than 10,000 COVID cases were also confirmed in Los Angeles County alone, with 670 new cases being recorded in just one day as well.[255]
Signs at a grocery store in Berkeley, California on April 20 requiring face coverings and banning reusable bags
On April 16, the state of California recorded 101 deaths within a one-day period, setting a new statewide record for single day COVID-19 deaths.[256]
Equipment shortage
Many doctors and nurses and EMS workers expressed fears and frustrations at being asked to wear the less effective surgical masks and at the overall lack of proper masks, gowns and eye gear which imperils their ability to fight the coronavirus and puts their own lives at risk.[257][258] The medical workers are concerned that the shortages have not been addressed by the CDC, whose changing guidance for healthcare over how to stay safe themselves and protect the patients remained unclear and misleading, and that the new recommendations are borne of political expediency instead of science.[257] Mid-March, the CDC changed its guidance from stating earlier that regular surgical masks cannot protect a healthy person from infection to now saying that regular masks are "an acceptable alternative" when examining or treating a coronavirus patient. The change came given the shortages of the N95 masks. The American Nurses Association sent a letter to Congress, saying there is concern "that C.D.C. recommendations are based solely on supply chain and manufacturing challenges," and "that these recommendations do not offer strategies to address the limited manufacturing and supply chain of necessary personal protective equipment."[257]
Hospitals and ventilators
In 2020, hospitals in California hired rental ventilators and rationed N95 masks, raising complaints from nurses. California in 2006 had stockpiled three 200-bed mobile hospitals with 50 million N95 respirators, 2,400 ventilators, and 21,000 additional patient beds, but the governor at the time, Jerry Brown, disposed of them in 2011 as a budget cutting measure.[259]
Community response
There were calls for crowdsourcing on social media, to donate any masks, goggles, or other equipment to healthcare professionals.[260]
Major Bay Area medical centers, UCSF and Stanford Health Center are both now taking donations for personal protective equipment.[261]
Local public health offices started coordinating donation efforts.[262]
Maker Nexus, a non-profit maker space in Sunnyvale, began making face shields to donate to local hospitals and other health care facilities, using its 3D printers and laser cutters. This effort grew rapidly as individuals in the Bay Area began using home-based 3D printers and bringing the result to Maker Nexus to complete the shields and deliver them to the recipients.[263][264] By the first of April, more than 300 community members were using their home 3D printers for this effort.[265][266][267] Together with other groups and individuals, the maker space is also making cloth face masks to substitute for N95 masks in non-critical applications and helping to coordinate face mask deliveries.[268]
On February 10, Santa Clara County declared a local health emergency that would allow health authorities to deploy rapid response in the event of a potential coronavirus case. The state of emergency would be in effect for 30 days.[269] On February 14, San Diego County declared a local health emergency to ensure that the county had the resources needed to respond to the infections. The state of emergency lasted for seven days.[270]
On February 25, the mayor of San Francisco, London Breed, declared a state of emergency that would allow city officials to assemble resources and personnel to expedite emergency measures in the event of a potential coronavirus case in the city.[271][272] On February 26, Orange County declared a local health emergency to raise awareness and accelerate emergency planning.[272] On February 27, Solano County declared a local health emergency to bolster response to COVID-19 cases.[273] California Governor Gavin Newsom announced that, as of February 27, the number of people being monitored for the virus in California amounted to 8,400.[274]
On February 27, California GovernorGavin Newsom announced that the state was limited in testing for the new coronavirus because it had only 200 testing kits.[275]
On March 3, Placer County declared a public health emergency, following the confirmation of a second coronavirus case in that county.[276] On March 4, Governor Newsom declared a state of emergency after the first death in California attributable to coronavirus occurred in Placer County.[277][278][279]
On March 7, a family in Elk Grove contracted the virus and was quarantined[280] which led to the school district of Elk Grove decision to close down all schools until March 13.[281] On March 8, Riverside County declared a public health emergency with a case being treated at Eisenhower Health in Rancho Mirage.[282]
On March 9, Santa Clara County announced that beginning March 11, public gatherings with more than 1,000 people would be banned for a three-week period.[283] On March 10, a resident of a retirement home tested positive in Elk Grove in Sacramento County. County health officials said that they had the capacity to only test 20 people per day and would be focusing all their efforts on the other residents of the retirement home. That resident died from complications of the virus on the same day.[citation needed] Also on March 10, a woman became the first presumptive case of the novel coronavirus in San Diego County, who was being treated at Scripps Green Hospital, with verification of the test results pending from the CDC. The infection was related to overseas travel; she had not been subjected to a 14-day quarantine upon return, indicating that she did not come from one of the "high risk" countries at the time of her return.[284]
On March 12, Governor Newsom announced that mass gatherings (over 250 people) and social gatherings (more than 10 people) were banned until the end of March.[285] He also issued an order to permit the state to commandeer hotels and medical facilities to treat coronavirus patients.[286][287][288][289] On March 13, schools were closed in Marin, Sacramento, San Joaquin, San Luis Obispo, Santa Clara, Solano, Placer, and Contra Costa counties, as well as the Oakland, Antioch, Santa Cruz, Los Angeles Unified, Chaffey Unified, Etiwanda, Fontana Unified, Ontario-Montclair, Alta Loma Unified, San Diego, Los Alamitos Unified, and Washington Unified school districts. In Santa Clara county, all gatherings of 100 or more people were banned, and gatherings of 35 or more people were banned unless they satisfied public health restrictions.[290][291][292][293][294][excessive citations] Press reports in April suggest that the aggressive early imposition of social-distancing orders by Santa Clara County were the result of community surveillance performed beginning on March 5.[295]
Executive Order N-33-20: the March 19 stay-at-home order from California governor Gavin Newsom
On March 15, Governor Newsom called for voluntary closure of bars and in-home self-isolation of seniors 65 and older, as well as persons at-risk due to underlying conditions.[296] On March 16, the health officers of Alameda, Contra Costa, Marin, San Francisco, San Mateo, and Santa Clara counties announced, with the City of Berkeley, a legal order directing their respective residents to shelter in place for three weeks beginning midnight March 17 to April 7 in order to slow the spread of the coronavirus.[297] The order limited activity, travel and business functions to only the most essential needs.[298][299][300] The same day, the county of Santa Cruz issued a similar shelter in place order.[301]
On March 17, more counties issued shelter in place orders, including Monterey County (until April 4),[302] San Benito (until April 7),[303] and Sonoma (until April 7).[304] Sacramento County issued a stay-at-home directive, which, unlike a shelter in place order, is not a legal requirement.[305] The federal Defense Secretary said the military would provide up to 5 million respirator masks and also 2,000 ventilators from its reserve.[306]
On March 18, shelter in place orders were issued by Yolo County (until April 7),[307] the city of Fresno (until March 31),[308]Napa County (effective March 20, until April 7)[309] San Luis Obispo County (until April 17),[310] and Mendocino County (until April 7).[311] The Department of Defense said the Navy's hospital shipUSNS Mercy is being prepared for deployment in California, "to assist potentially overwhelmed communities with acute patient care".[312]
On March 19, Sacramento County upgraded its stay-at-home directive into an official order that carries legal consequences.[313] Governor Newsom then announced a statewide stay-at-home order.[314][315][316] Governor Newsom said that the state has asked the Department of Defense to deploy the Navy's USNS Mercy hospital ship in California.[317]
On March 22, President Trump announced that he had directed Federal Emergency Management Agency to provide 8 large federal medical stations with 2,000 beds for California.[319]
On March 24, Mendocino County revised its shelter-in-place order to align with the state order including a stricter list of essential businesses, closure of all parks within Mendocino County, and for the order to be in place until rescinded.[250]
On March 30, the health officers of Alameda, Contra Costa, Marin, San Francisco, San Mateo, and Santa Clara counties extended the legal order directing their respective residents to shelter in place to May 3.[320]
April
On April 1, the California Department of Education issued a statement acknowledging the likely closure of all schools for the remainder of the academic year, and directing all schools to "put all efforts into strengthening our delivery of education through distance learning."[321] The University of California system announced that they would temporarily suspend the use of standardized testing for Fall 2021 admissions, and suspend the letter grade requirement for A-G courses completed in winter, spring, and summer 2020.[322]
A sign outside a store in Los Angeles County on April 17 requiring all customers to wear face coverings to enter
On April 7, Mayor of Los Angeles Eric Garcetti announced that in accordance with recent CDC recommendations, it would institute a Worker Protection Order beginning April 10, requiring all employees and customers of stores and essential businesses to wear a face mask. Businesses will have the right to refuse service to customers who do not wear a face mask.[323][324] Governor Newsom announced that the state has secured a deal that will provide upwards of 200 million masks, including 150 million N95 masks, per month to the state.[325]
On April 9, Governor Newsom announced the state would pay for hotel rooms for hospital and other essential workers afraid of returning home and infecting family members.[326]
On April 13, Governor Newsom, together with Oregon governor Kate Brown and Washington governor Jay Inslee, announced the Western States Pact, an agreement to coordinate among the three states to restart economic activity while controlling the outbreak.[327]
On April 15, Governor Newsom announced that undocumented immigrants can receive $500 per adult or $1,000 per household.[328]
On April 22, Governor Newsom ordered a review on autopsies of people who died in December 2019 in order to find out when COVID-19 arrived in California.[329]
On April 24, Governor Newsom announced a program that will deliver free meals to elderly residents who meet the program's requirements. This program partners with local restaurants to deliver up to $61 worth of meals per day to each qualified resident. 75% of the program's cost will be covered by FEMA, and the rest will be covered by the state and local governments.[330]
On April 24, Mayor of San Francisco London Breed said the city order's for PPE from China were instead rerouted to France and to FEMA. "We had isolation gowns on the way to San Francisco and then diverted to France,” she said. Another order of equipment went through customs and then was “confiscated” by FEMA for other places. She later stated “That at the height of this pandemic we are still having a conversation about PPE really does blow my mind. There has been nothing that has been more frustrating.”[331][332][333][334]
On April 29, Governor Newsom announced an expansion of the state's Farm to Family program, which helps connect farmers to food banks. Governor Newsom also announced that the state's CalFresh program will continue to send every recipient the maximum amount of benefits for May. Governor Newsom also said that families with kids who can receive free or low-cost lunch at schools can now get up to $365 a month in additional benefits due to the Pandemic-EBT program. Additionally, Governor Newsom said that these benefits can now be used to buy groceries online on Amazon and Walmart, and the state will expand the number of online stores that will accept these benefits.[335]
Education in California has been impacted by the 2019–20 coronavirus pandemic. For example, while most students in the state have switched to distance learning as a result of the 2020 coronavirus pandemic, thousands of them lack laptops and Wi-Fi.[337] By April 10, 2020, a school of 21 students became the only school in the state to remain open.[338] However, by April 29, the school closed indefinitely, making it the last school in the state to do so.[339]
California State University (CSU) system: CSU is the largest four-year higher education system in the United States. On March 17, 2020, CSU issued a response to the COVID-19 outbreak, including that "the CSU is following guidance provided by the Centers for Disease Control and the U.S. Department of State".[351] The communication also included information regarding a plan for CSU's 23 campuses to accelerate their transition to online instruction.[352]
Alameda County: On March 20, Alameda County officials announced that 247 people would be released from Santa Rita Jail, located in Dublin.[367]
San Diego County: On March 16, the Sheriff's Department said it had started reducing the number of people being accepted into the county's seven jails and had received approval for early release of some prisoners. Other measures included in-cell meals, a suspension of visitation, and suspension of jail programs.[368]
Various faith organizations claim that social distancing orders issued by the state violate the constitutional right to freedom of religion and assembly. Bans of all gatherings, no matter the size, outside of places of residences put in place by local authorities have also been challenged.[369]
Churches and synagogues with more than 30 members officially closed doors March 12. Most began streaming online. When the quarantine officially began, all congregations were no longer able to gather. Most are holding weekly prayer meetings as well as Saturday or Sunday morning streaming of worship services. Mosques in California have stopped holding Friday prayer congregations.[citation needed]
On March 13, the Catholic Diocese of San Jose in California closed all diocesan schools from until at least April 20. It suspended public Masses and dispensed with the obligation to attend Mass from March 14 until further notice.[370] On March 18, the California Catholic Conference of bishops followed suit, suspending the public celebration of Mass throughout the state until further notice.[371] Many churches are conducting services online during the time of closure.[citation needed]
Sacramento Kings players shoot around after their March 11 game against New Orleans is postponed
The first U.S. sports cancellations attributed to the pandemic occurred in California; in accordance with a local health emergency in Riverside County, the 2020 BNP Paribas Opentennis tournaments at Indian Wells were postponed on March 8, 2020.[372][373]
After Santa Clara County banned all large gatherings larger than 1,000 people for a three-week period beginning March 11, the San Jose Sharks of the NHL and the Golden State Warriors of the NBA announced that all of their remaining home games of the regular season would be played behind closed doors with no spectators. With their game on March 12 against the Brooklyn Nets, the Warriors were to be the first professional sports team in the United States to play a home game behind closed doors due to the pandemic.[374][375][376] However, on March 11, after Utah Jazz players tested positive for COVID-19, the NBA suspended its regular season, and almost all other professional sports leagues and college athletics programs followed suit over the days that followed.[377]
On March 16, the CCCAA also canceled the remainder of the winter seasons as well as the spring seasons. They also restored a season of eligibility to those athletes who had already participated in the early season of spring sports.[378] On the same day, the NAIA cancelled their spring season as well.[379]
At the high school level, the California Interscholastic Federation (CIF) canceled the basketball state championship tournament after the Northern California and Southern California semifinals. During the tournament, Sheldon, Archbishop Riordan, and the Menlo School withdrew from the tournament after their schools were shut down. The CIF gave their reevaluation of the situation on April 3 and cancelled all spring sports.[380][381]
Unemployment
As of April 8, over the preceding three weeks, California had processed over 2.4 million applications for unemployment assistance.[382]
A survey conducted April 17 found that less than half of the residents of Los Angeles County were employed, although some of this unemployment was supposed to be temporary.[383]
Gavin Christopher Newsom is an American politician and businessman who is the 40th governor of California, serving since January 2019. A member of the Democratic Party, he previously served as the 49th lieutenant governor of California from 2011 to 2019 and as the 42nd mayor of San Francisco from 2004 to 2011. He was sworn in as Governor of California on January 7, 2019.
Seton Medical Center is a 357-bed Verity Health System hospital. Founded in San Francisco, the current facility is located in Daly City, California, United States. It is the largest employer in Daly City and is credited in part with attracting the initial influx of Filipino immigrants to the city, which has the highest concentration of Filipinos in the U.S.
The 2019–20 coronavirus pandemic spread to a number of cruise ships, with the nature of such ships—including crowded semi-enclosed areas, increased exposure to new environments, and limited medical resources—contributing to the heightened risk and rapid spread of the disease.
The 2020 coronavirus pandemic in Canada is part of the ongoing worldwide pandemic of coronavirus disease 2019 caused by severe acute respiratory syndrome coronavirus 2. The disease was confirmed to have reached Canada on January 27, 2020, after a man who had returned to Toronto from Wuhan, Hubei, China, tested positive. As of May 2, 2020, there have been over 56,600 confirmed cases, 23,621 recoveries and 3,564 deaths in the country. The Government of Canada has released modelling anticipating 11,000–22,000 deaths over the course of the pandemic, assuming "stronger epidemic control".
The first confirmed case of the global pandemic of coronavirus disease 2019 (COVID-19) in the United States was announced by the state of Washington on January 21, 2020. Washington made the first announcement of a death from the disease in the U.S. on February 29 and later announced that two deaths there on February 26 were also due to COVID-19. Until mid-March, Washington had the highest absolute number of confirmed cases and the highest number per capita of any state in the country, when it was surpassed by New York state. Many of the deceased were residents of a nursing home in Kirkland, an Eastside suburb of Seattle in King County.
An ongoing worldwide pandemic of coronavirus disease 2019, a novel infectious disease caused by severe acute respiratory syndrome coronavirus 2, was first confirmed to have spread to Costa Rica on 6 March 2020, after a 49-year-old woman tourist from New York, United States, tested positive for the virus.
The 2020 coronavirus pandemic in Massachusetts is part of an ongoing pandemic of coronavirus disease 2019 (COVID-19) in the U.S. state of Massachusetts. The first confirmed case was reported on February 1, 2020, and the number of cases began increasing rapidly on March 5. Governor Charlie Baker declared a state of emergency on March 10. By March 12, over 100 people had tested positive for the virus. Most early cases were traceable to a company meeting held in Boston in late February by the Cambridge-based biotechnology firm Biogen. Massachusetts is third in the U.S. for overall number of cases statewide. As of May 2, 2020, there were 66,263 confirmed cases and 3,846 deaths due to COVID-19. Massachusetts had performed 298,994 tests, 22.2% of which were positive.
An ongoing worldwide pandemic of coronavirus disease 2019, caused by severe acute respiratory syndrome coronavirus 2, was first confirmed to have spread to Honduras on 10 March 2020, when two women tested positive for the disease after one of them landed on Toncontin International Airport in a flight from Madrid, Spain and the other on Ramón Villeda Morales Airport in a flight from Geneva, Switzerland. As of 30 April 2020, there are 804 confirmed cases in the country, 563 in the Cortes Department, 106 in the Francisco Morazan Department, 33 in the Colon Department, 28 in the Atlantida Department, and 28 ion the Yoro Department; 75 people have died and 112 have recovered from the virus and its complications. Confirmed cases have been reported in 14 of the country's 18 departments.
The 2019–20 coronavirus pandemic was confirmed to have reached the U.S. state of Maryland in March 2020. The first three cases of the virus were reported in Montgomery County on March 5, 2020. As of May 2, 2020, the Maryland Department of Health (MDH) reported 24,473 positive cases and 1,156 deaths in the state, with 1,590 patients released from isolation. All of the state's 23 counties and the independent city of Baltimore have at least one coronavirus case.
On March 1, 2020, the U.S. state of Florida became the third state in the United States with a documented COVID-19 case, during the 2019–20 coronavirus pandemic. Within two weeks, widespread closures of public schools, resorts, and theme parks had been announced throughout the state.
The 2019–2020 coronavirus pandemic was confirmed to have reached the U.S. state of Oregon on February 28, 2020.
The 2020 coronavirus pandemic in Illinois is part of the ongoing worldwide pandemic of coronavirus disease 2019 (COVID-19). It began in the U.S. state of Illinois on January 24, 2020, when a woman in Chicago, who had just returned from the pandemic's place of origin in Wuhan, China, tested positive for the virus. This was the second case of COVID-19 in the United States during the pandemic. The woman's husband was diagnosed with the disease a few days later, the first known case of human-to-human transmission in the United States. Community transmission was not suspected until March 8, when a case with no connection to other cases or recent travel was confirmed. As of early-May 2020, the State of Illinois has not released data for recoveries other than the first two initial recovered cases in February.
The 2019–20 coronavirus pandemic was confirmed to have reached the U.S. state of New Mexico in March 11, 2020.
The 2019–20 coronavirus pandemic was confirmed to have reached the U.S. state of Oklahoma in March 7, 2020. The first death occurred in Oklahoma on March 15.
The 2020 coronavirus pandemic in Ontario is an ongoing viral pandemic of coronavirus disease 2019 (COVID-19), a novel infectious disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The first identified case of COVID-19 in Canada during the 2019–20 worldwide pandemic occurred in the Canadian province of Ontario after it arrived on January 22, 2020, when a man returned to Toronto from travel in China, including Wuhan; the case was announced on January 25. The government announced on March 17 that Ontario had "some evidence of community transmission" of COVID-19.
The Coronavirus pandemic 2020 in Quebec is an ongoing viral pandemic of the novel coronavirus disease 2019 (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). As of May 2, 2020, the province of Quebec has reported the highest number of cases of COVID-19 in Canada during the 2019–20 worldwide pandemic, having more infections than all the rest of Canada combined. There have been 29,656 confirmed cases, 1,738 hospitalizations, and 2,136 deaths reported. 6,965 recoveries have also been reported and 1,002 cases are under investigation. As of May 2, 2020, Quebec has tested 219,367 people.
The following is a timeline of the 2020 coronavirus pandemic in the United States.
The 2019–20 coronavirus pandemic has impacted prisons globally. There have been outbreaks of COVID-19 reported in prisons and jails around the world, with the housing density and population turnover of many prisons contributing to an increased risk of contracting the virus compared to the general population. Prison crowding and lack of sanitation measures contribute to the risk of contracting diseases in prisons and jails. As a mitigation measure, several jurisdictions have released prisoners to reduce density and attempt to reduce the spread of the illness. There have also been protests among prisoners and prison breaks in multiple countries in response to prisoner anger over their risk of contracting illness in prison conditions.
During the 2019–20 coronavirus pandemic, former passengers of Grand Princess who had tested positive for SARS-CoV-2 were being linked to cruises they had taken on the ship while it travelled between California, Mexico, and Hawaii. After the first confirmed death on 2020.03.04, Grand Princess was rerouted to the San Francisco Bay Area, where it was anchored offshore while test kits were airlifted to the ship. Preliminary testing found 21 positive cases, and the ship later docked in Oakland on 2020.03.09, with over 3000 people entering quarantine.
Sara H. Cody, M.D., is an American doctor, epidemiologist and public health official serving as the health officer and public health director of Santa Clara County, California, at the time of the 2020 COVID-19 outbreak. Her timely implementation of stay-at-home orders is credited with saving many lives. Cody continues to maintain a regular presence in the media to communicate COVID-19 news and policy.
↑ Higgins-Dunn, Noah; Miller, Hannah (April 20, 2020). "Coronavirus antibody testing shows LA County outbreak is up to 55 times bigger than reported cases". CNBC. Archived from the original on April 21, 2020. Retrieved April 21, 2020. USC and the health department released preliminary study results that found that an estimated 4.1% of the county’s adult population has antibodies to the coronavirus, estimating that between 221,000 adults to 442,000 adults in the county have had the infection.
↑ ABIGAIL ABRAMS (April 2, 2020). "You Probably Read About an Uninsured Teen Who Died of COVID-19. The Truth Is More Complicated". Time. Archived from the original on April 2, 2020. Retrieved April 17, 2020. “Though early tests indicated a positive result for COVID-19, the case is complex and there may be an alternate explanation for this fatality,” the Los Angeles County Public Health Department said on March 24. “Patient privacy prevents our offering further details at this time.”
↑ Bollag, Sophia (March 21, 2020). "Coronavirus surge will strain California hospitals, Gov. Gavin Newsom warns". The Sacramento Bee. Archived from the original on March 18, 2020. Retrieved March 20, 2020. Also on Tuesday, federal Defense Secretary Mark Esper said the military will provide 2,000 ventilators and up to 5 million respirator masks from its strategic reserve.
↑ "Distance Learning". www.cde.ca.gov. Health Services & School Nursing (CA Dept of Education). Archived from the original on April 7, 2020. Retrieved April 8, 2020.
↑ "Coronavirus (COVID-19)". Roman Catholic Diocese of San Jose in California. March 13, 2020. Archived from the original on March 22, 2020. Retrieved March 22, 2020.
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