A healthcare worker administers a COVID-19 PCR test at a free test site in Farragut Square on December 28, 2021 in Washington, DC. Anna Moneymaker | Getty Images A Covid-19 outbreak on a cruise in Lis...
A healthcare worker administers a COVID-19 PCR test at a free test site in Farragut Square on December 28, 2021 in Washington, DC. Anna Moneymaker | Getty Images A Covid-19 outbreak on a cruise in Lis...