In this handout photo provided by British Antarctic Survey, field guide Sasha Doyle, left, and meteorological observer Jack Farr, right, sit in an igloo in Trident area, Adelaide island, in Antarctica in October 2019. Antarctica remains the only continent without COVID-19 and now in Sept. 2020, as nearly 1,000 scientists and others who wintered over on the ice are seeing the sun for the first time in months, a global effort wants to make sure incoming colleagues don't bring the virus with them. (Robert Taylor/British Antarctic Survey via AP)
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