Coronavirus

A Dutch man with lymphoma and other blood disorders was infected with the COVID-causing virus for nearly two years, during which time the pathogen evolved numerous mutations

A recent study suggests that Paxlovid is ineffective at treating symptoms in people with mild illness or those who have been fully vaccinated. It is still a lifesaving medication in vulnerable groups

Studies show that vaccination against COVID during pregnancy provides a powerful safeguard for vulnerable infants too young to receive the vaccine on their own

Researchers who “test the tests” say that COVID rapid tests have kept up with new variants

Four years into the pandemic, many people have had COVID more than once—but the health consequences of repeat infections are not yet clear

The pandemic early exposed weaknesses in CDC’s laboratories. Organizational and culture changes there are good first steps, but more must be done

“We’re still in a pandemic,” says a lead COVID official with the World Health Organization

Infants born to people who had COVID while pregnant are at a higher risk of respiratory distress, but vaccination greatly lowers the risk

Proteins involved in immunity, clotting and inflammation could help to unravel the complexity of long COVID

A new variant of the COVID-causing virus SARS-CoV-2 is behind the latest surge in infections this winter, but it doesn't appear to cause more severe disease

The overuse of dangerous pesticides in Brazil threatens public health and serves as a warning to the rest of the world about the dangers of science denial

You have a “better chance of becoming Spider-Man” than being harmed by DNA from COVID vaccines