COVID-19 pandemic in Antarctica

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COVID-19 pandemic in Antarctica
COVID-19 Cases in Antarctica (en).svg
Confirmed cases in Antarctica
Disease COVID-19
Virus strain SARS-CoV-2
Location Antarctica
First outbreak Wuhan, Hubei, China
Index case Base General Bernardo O'Higgins (Chile)
Arrival date21 December 2020
(3 years, 2 months and 1 week ago)
Confirmed cases226
Active cases0
Suspected cases1
Recovered226
Deaths
0
Territories
Flag of Magallanes, Chile.svg Chilean Antarctic Territory
Suspected cases have not been confirmed by laboratory tests as being due to this strain, although some other strains may have been ruled out.

The COVID-19 pandemic in Antarctica is part of the worldwide pandemic of coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Due to its remoteness and sparse population, Antarctica was the last continent to have confirmed cases of COVID-19 and was one of the last regions of the world affected directly by the pandemic. [1] [2] [3] The first cases were reported in December 2020, almost a year after the first cases of COVID-19 were detected in China. At least 36 people are confirmed to have been infected. [4] Even before the first cases on the continent were reported, human activity in Antarctica was indirectly impacted.

Contents

Background

A nurse at McMurdo Station sets up the polymerase chain reaction (PCR) testing equipment, in September 2020. 2020Sept26-BioFire-Waldron-HR.jpg
A nurse at McMurdo Station sets up the polymerase chain reaction (PCR) testing equipment, in September 2020.

On 12 January 2020, the World Health Organization (WHO) confirmed that a novel coronavirus was the cause of a respiratory illness in a cluster of people in Wuhan, Hubei, China, which was reported to the WHO on 31 December 2019. [5] [6]

The case fatality ratio for COVID-19 has been much lower than SARS of 2003, [7] [8] but the transmission has been significantly greater, with a significant total death toll. [9] [7]

Impact on scientific research

People coming to Antarctica research stations have to undergo isolation and COVID-19 screening. [1] The Antarctica research stations of Australia, Norway and Germany have respirators and coronavirus tests; it remains unconfirmed whether the research stations of the U.S. and Britain have them. [1] The British Antarctic Survey implemented precautionary measures. [10] The Argentine Antarctica territories had taken measures at its six permanent bases to prevent the spread of COVID-19 to the territory before the arrival of the virus. [11]

The impact of the COVID-19 pandemic on travel caused complications with evacuating British Antarctic Survey personnel from the continent. [12]

As of 14 April 2020, bases in Antarctica contained only skeleton crews, visitors have been limited, and scientific research has been impacted. [13] Several conferences on the topic of Antarctica that had been planned for mid-2020 were cancelled due to the pandemic. [14]

Cases

View of the Base General Bernardo O'Higgins, where the first cases of COVID-19 in Antarctica were reported. Bernardo O'Higgins Station 100 9866.jpg
View of the Base General Bernardo O'Higgins, where the first cases of COVID-19 in Antarctica were reported.
COVID-19 cases in Antarctica  ()
     Deaths        Recoveries        Active cases
2020202020212021
DecDec
JanJan
Last 15 daysLast 15 days
Date
# of cases
# of deaths
2020-12-25
32(n.a.)
2020-12-28
32(n.a.)
2021-01-01
58(n.a.)
2021-01-04
58(n.a.)
2021-01-08
58(n.a.)
2021-01-11
58(n.a.)
2021-01-15
58(n.a.)
2021-01-18
58(n.a.)
2021-01-22
58(n.a.)
2021-01-25
58(n.a.)
2021-01-29
58(n.a.)
Cumulative cases reported in Antarctica to date.

Sources: Ministry of Science and Technology of Chile

In April 2020, a cruise ship headed for Antarctica had almost sixty percent of its passengers test positive for COVID-19. The cruise stopped in Uruguay, where the passengers were allowed to disembark. [15] [16] [17]

The first official cases were announced on 21 December 2020 by the government of Chile. At least 36 people, including 10 civilians and 26 officers of the Chilean Army and Chilean Navy, were confirmed as positive for COVID-19 after contracting the virus on the Base General Bernardo O'Higgins Riquelme (in continental Antarctica), where they were doing scheduled maintenance work for the base. The people developed symptoms for COVID-19 aboard the Sargento Aldea ship, and most of the cases were treated after arriving to their destinations in Punta Arenas and Talcahuano. [4] [18] [19] [20]

On 14 December 2021, a positive case was detected at the Belgian research station Princesse Elisabeth in Queen Maud Land. Further tests revealed two more cases that were subsequently evacuated on 23 December. 11 of the 30 [21] people present at the station were tested positive. [22]

On 12 January 2022, 13 positive cases were detected at Esperanza Base in Argentine Antarctica. Further tests detected 11 more cases, totaling 24 positive cases. [23]

On 13 September 2022, one positive case was detected at Davis Station in Australian Antarctic Territory. [24] First unspecified case detected at port in Hobart on 10 January 2022. [25]

The first confirmed case at McMurdo Station in Ross Dependency was detected in August 2022. By November, 10% of the population of Station's population was confirmed to be infected. As of February 2023, a total of 175 positive cases have been detected. [26] [27] Covid also reached Amundsen-Scott South Pole Station and WAIS Divide. [28] [29]

On 8 November 2022, 20 positive cases were detected at Dumont d'Urville Station in Adélie Land. 20 of the 21 people present at the station were tested positive. [30]

Covid reached New Zealand's Scott Base, located several miles from McMurdo Station, in February 2023. [31]

Vaccination

On 18 March 2021, the Chilean Air Force announced they inoculated 49 members of their staff in Antarctica, being the first country to start vaccinating against COVID-19 in the continent.[ citation needed ]

On 7 October 2021, Astra-Zeneca vaccines arrived in Antarctica to vaccinate 23 members of staff that are working for the British Antarctic Survey in the Rothera base. [32] [33]

Statistics

Cases by territories and sites
TerritorySiteOperating countryCasesHistorical casesDeathsReferences
Flag of the French Southern and Antarctic Lands.svg Adélie Land Dumont d'Urville Station, Cap Prud Homme Flag of Italy.svg  Italy, Flag of France.svg  France 2800 [30]
Bandera de la Provincia de Tierra del Fuego.svg Argentine Antarctica Esperanza Base, Base San Martín, Base Orcadas, Estación Carini, Belgrano II, Base Marambio Flag of Argentina.svg  Argentina 4200 [23]
Flag of Australia (converted).svg Australian Antarctic Territory Davis Station, Estación Mawson, Estación Soyuz, Druzhnaya, Zhongshán, Bharati, Vostok,Flag of the People's Republic of China.svg  China, Flag of Russia.svg  Russia, Flag of India.svg  India, Flag of Australia (converted).svg  Australia 5810 [24] [25]
Flag of the British Antarctic Territory.svg British Antarctic Territory Rothera Research Station Flag of the United Kingdom.svg  United Kingdom 2700
Flag of Magallanes, Chile.svg Chilean Antarctic Territory Base General Bernardo O'Higgins Riquelme, Villa Las Estrellas Flag of Chile.svg  Chile 13300 [20] [34]
Flag of Norway.svg Peter I Island Sandefjord Cove Flag of Norway.svg  Norway 000
Flag of Norway.svg Queen Maud Land Princess Elisabeth Antarctica, SANAE IV, Estación Princesa Isabel, Estación Tor, Estación Showa Flag of Norway.svg  Norway, Flag of Japan.svg  Japan, Flag of Belgium (civil).svg  Belgium 7300 [21]
Flag of New Zealand.svg Ross Dependency McMurdo Station, Estación Zucchelli, Base Scott Flag of the United States.svg  USA 12500 [28] [26]
True South Antarctic Flag.svg Marie Byrd Land Amundsen–Scott South Pole Station Flag of the United States.svg  USA 800 [29]
9/949410
Last update 8 February 2023.

See also

Related Research Articles

<span class="mw-page-title-main">History of Antarctica</span>

The history of Antarctica emerges from early Western theories of a vast continent, known as Terra Australis, believed to exist in the far south of the globe. The term Antarctic, referring to the opposite of the Arctic Circle, was coined by Marinus of Tyre in the 2nd century AD.

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<span class="mw-page-title-main">Base General Bernardo O'Higgins Riquelme</span> Antarctic base

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