A new analysis suggests that schools and colleges, large companies and other organizations that want to keep themselves safe with frequent mass testing should...
Denmark will extend its suspension of the AstraZeneca vaccine until April 15, the Danish Health Authority announced on Thursday, as other European countries are...
Pfizer has begun testing its Covid-19 vaccine in children under 12, a significant step in turning back the pandemic. The trial’s first participants, a...
Behind the Byline • APOORVA MANDAVILLIBehind some of The Times’s vital journalism on the coronavirus is a reporter who speaks seven languages, holds a...