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Measles is a highly contagious, vaccine-preventable infectious disease caused by measles virus. Symptoms usually develop 10–12 days after exposure to an infected person and last 7–10 days. Initial symptoms typically include fever, often greater than 40 °C (104 °F), cough, runny nose, and inflamed eyes. Small white spots known as Koplik's spots may form inside the mouth two or three days after the start of symptoms. A red, flat rash which usually starts on the face and then spreads to the rest of the body typically begins three to five days after the start of symptoms. Common complications include diarrhea, middle ear infection (7%), and pneumonia (6%). These occur in part due to measles-induced immunosuppression. Less commonly seizures, blindness, or inflammation of the brain may occur. Other names include morbilli, rubeola, red measles, and English measles. Both rubella, also known as German measles, and roseola are different diseases caused by unrelated viruses.
The MMR vaccine is a vaccine against measles, mumps, and rubella, abbreviated as MMR. The first dose is generally given to children around 9 months to 15 months of age, with a second dose at 15 months to 6 years of age, with at least four weeks between the doses. After two doses, 97% of people are protected against measles, 88% against mumps, and at least 97% against rubella. The vaccine is also recommended for those who do not have evidence of immunity, those with well-controlled HIV/AIDS, and within 72 hours of exposure to measles among those who are incompletely immunized. It is given by injection.
Rubella, also known as German measles or three-day measles, is an infection caused by the rubella virus. This disease is often mild, with half of people not realizing that they are infected. A rash may start around two weeks after exposure and last for three days. It usually starts on the face and spreads to the rest of the body. The rash is sometimes itchy and is not as bright as that of measles. Swollen lymph nodes are common and may last a few weeks. A fever, sore throat, and fatigue may also occur. Joint pain is common in adults. Complications may include bleeding problems, testicular swelling, encephalitis, and inflammation of nerves. Infection during early pregnancy may result in a miscarriage or a child born with congenital rubella syndrome (CRS). Symptoms of CRS manifest as problems with the eyes such as cataracts, deafness, as well as affecting the heart and brain. Problems are rare after the 20th week of pregnancy.
Congenital rubella syndrome (CRS) occurs when a human fetus is infected with the rubella virus via maternal-fetal transmission and develops birth defects. The most common congenital defects affect the ophthalmologic, cardiac, auditory, and neurologic systems.
The Pan American Health Organization (PAHO) is a specialized agency of the United Nations (UN) in charge of international health cooperation in the Americas. It fosters technical cooperation among member countries to fight communicable and noncommunicable diseases, strengthen health systems, and respond to emergencies and disasters.
Vaccine hesitancy is a delay in acceptance, or refusal, of vaccines despite the availability of vaccine services and supporting evidence. The term covers refusals to vaccinate, delaying vaccines, accepting vaccines but remaining uncertain about their use, or using certain vaccines but not others. Although adverse effects associated with vaccines are occasionally observed, the scientific consensus that vaccines are generally safe and effective is overwhelming. Vaccine hesitancy often results in disease outbreaks and deaths from vaccine-preventable diseases. Therefore, the World Health Organization characterizes vaccine hesitancy as one of the top ten global health threats.
The MMRV vaccine is a combination vaccine which combines the attenuated virus measles, mumps, rubella, and varicella (chickenpox). The MMRV vaccine has similar immunogenicity and overall safety profiles to the MMR vaccine administered with or without the varicella vaccine. The MMRV vaccine is typically given to children between one and two years of age.
Clarence Sumner Janifer Sr. was a physician and the first African American member of the Medical Society of New Jersey.
Immunization during pregnancy is the administration of a vaccine to a pregnant individual. This may be done either to protect the individual from disease or to induce an antibody response, such that the antibodies cross the placenta and provide passive immunity to the infant after birth. In many countries, including the US, Canada, UK, Australia and New Zealand, vaccination against influenza, COVID-19 and whooping cough is routinely offered during pregnancy.
An attenuated vaccine is a vaccine created by reducing the virulence of a pathogen, but still keeping it viable. Attenuation takes an infectious agent and alters it so that it becomes harmless or less virulent. These vaccines contrast to those produced by "killing" the pathogen.
Ciro Carlos Araujo de Quadros was a Brazilian leader in the field of Public Health, in particular, the area of vaccines and preventable diseases. He was born in Rio Pardo, Brazil.
Claims of a link between the MMR vaccine and autism have been extensively investigated and found to be false. The link was first suggested in the early 1990s and came to public notice largely as a result of the 1998 Lancet MMR autism fraud, characterised as "perhaps the most damaging medical hoax of the last 100 years". The fraudulent research paper, authored by Andrew Wakefield and published in The Lancet, falsely claimed the vaccine was linked to colitis and autism spectrum disorders. The paper was retracted in 2010 but is still cited by anti-vaccine activists.
The eradication of infectious diseases is the reduction of the prevalence of an infectious disease in the global host population to zero.
Measles vaccine protects against becoming infected with measles. Nearly all of those who do not develop immunity after a single dose develop it after a second dose. When the rate of vaccination within a population is greater than 92%, outbreaks of measles typically no longer occur; however, they may occur again if the rate of vaccination decreases. The vaccine's effectiveness lasts many years. It is unclear if it becomes less effective over time. The vaccine may also protect against measles if given within a couple of days after exposure to measles.
Jon Andrus, an American physician, epidemiologist and immunization specialist, is the former deputy director of the Pan American Health Organization (PAHO).
Misinformation related to immunization and the use of vaccines circulates in mass media and social media in spite of the fact that there is no serious hesitancy or debate within mainstream medical and scientific circles about the benefits of vaccination. Unsubstantiated safety concerns related to vaccines are often presented on the internet as being scientific information. A large proportion of internet sources on the topic are mostly inaccurate which can lead people searching for information to form misconceptions relating to vaccines.
This article lists events from the year 2021 in The Bahamas.
Ruth May Tunnicliff was an American physician, medical researcher, bacteriologist, and pathologist, based in Chicago. She developed a serum against measles, and did laboratory research for the United States Army during the 1918 influenza pandemic.
"Measles: A Dangerous Illness" is an open letter written by the children's writer Roald Dahl in 1986 in response to ongoing cases of measles in the United Kingdom at that time despite the introduction of an effective measles vaccine in 1968.
The Disneyland measles outbreak began at the Disneyland Resort, California, in December 2014, and spread to seven states in the United States, Mexico, and Canada, before it was declared over in mid-April 2015.
References
- 1 2 "Bahamian pioneer in disease elimination is named a PAHO Health Hero of the Americas". PAHO. 2018-05-02. Retrieved 2020-02-02.
- 1 2 3 4 Parker, Khyle Quincy (2009-10-01). "CMO Dr. Dahl-Regis hailed by PAHO". The Bahamas Weekly. Retrieved 2020-02-02.
- 1 2 Pan American Health Organization (2018-05-02). "Dr. Merceline Dahl-Regis, Awardee Public Health Hero". YouTube. Retrieved 2020-02-02.
- ↑ McNeil, Jr., Donald G. (2016-09-27). "Americas Region Declared Free of Endemic Measles". The New York Times. ISSN 0362-4331 . Retrieved 2020-02-02.
- ↑ "The Americas are Now Measles-Free". Scientific American. Retrieved 2020-02-02.
- ↑ "PM applauds Dr. Dahl-Regis on international recognition". EyeWitness News. 2018-05-04. Retrieved 2020-02-02.
- ↑ "First heroes of nation named in new honours". The Tribune. 2018-07-11. Retrieved 2020-02-02.
- ↑ Gilbert, Lionella. "COVID-19 Task Force Coordinator announced 'Bending of the Curve'". The Bahamas Weekly. Retrieved 2020-06-09.
- ↑ Rolle, Leandra (2020-05-15). "Ministry 'satisfied' Grand Bahama passenger did not pose risk". Tribune242. Retrieved 2020-06-09.