Coronavirus

WASHINGTON — Starting Jan. 5, the United States will require a pre-departure negative Covid test for anyone flying in from China, the Centers for Disease Control and Prevention announced Wednesday....

This was one of those should-have-seen-it-coming moments. On October 14, a team of researchers posted on bioRxiv a preprint that described how they had created a new hybrid version of...

Boston health officials are concerned about elevated levels of the coronavirus in the city’s wastewater, after the concentration climbed 3.1% over the past week and by nearly 100% in the past...

Few parents are getting their young children vaccinated against COVID-19, despite the Biden administration’s much-anticipated rollout of the shots for children under the age of five more than a month...

President Joe Biden on Saturday tested positive for Covid-19 once again after consecutive days of testing negative for the virus, his physician said.

The White House on Thursday announced more steps to make the antiviral treatment Paxlovid more accessible across the U.S. as it projects COVID-19 infections will continue to spread over the...

Vaccines against COVID-19, while protective against hospitalization and death, may not be great at preventing long COVID after breakthrough infections, a new study finds. Epidemiologists associated with the US Department...

Almost two years and two months after the World Health Organization (WHO) called COVID a pandemic, the US officially passed the 1 million death toll for the virus. It is...

WASHINGTON — With Congress returning this week, the Biden administration is preparing to renew its push to secure Covid-19 funding, a White House official said, after a $10 billion bipartisan...

Boston has urged people to start wearing masks, and the Biden administration is weighing its next legal step in a court fight over the abrupt end of the national mask...