Coronavirus

A small fraction of young children in the U.S. are vaccinated against COVID. Pediatricians can help

The U.S. Food and Drug Administration has authorized updated COVID booster shots that target the Omicron BA.4 and BA.5 subvariants. Here’s what experts know

Pittsburgh’s Black residents are at a high risk of contracting COVID. A Black-led coalition is trying to reduce it

Although the risk of long COVID is not insignificant, it is much lower than previously thought

A respiratory therapist and former Army medic shares what we need to learn from the COVID pandemic

President Biden is part of a minority of people who have experienced Paxlovid rebound, but experts say the drug should still be prescribed for those who need it

Some studies suggest that the risk of cardiovascular problems, such as a heart attack or stroke, remains high even many months after a SARS-CoV-2 infection clears up

A possible biomarker for long COVID suggests some people with the condition never fully cleared the virus

People who are unlikely to develop severe COVID-19 have no widely approved medications to ease the illness

Nanotubes may provide a cunning answer to the mystery of how the virus that causes COVID infects neurons and produces long-lasting neurological symptoms

A growing mortality gap between Republican and Democratic areas may largely stem from policy choices

A technique that detects coronavirus strains circulating in a community could become an early-warning system