As evidence mounts that the omicron variant is less deadly than prior COVID-19 strains, one oft-cited explanation is that viruses always evolve to become less virulent over time. The problem, experts ...

The race is on for new treatments that stand up to omicron's explosive spread. With omicron's explosive spread threatening to outpace current COVID-19 treatments, the race is on to find new options ...

COVID-19 vaccination before or during pregnancy was linked to lower risk for severe maternal disease in the delta or omicron variant periods, ...

NEW YORK (WABC) -- Pfizer and BioNTech say if a variant that evades the vaccine emerges, they would be ready to produce a tailor-made shot against that new variant within about 100 days. The companies ...

NEW YORK (WABC) -- Federal regulators are considering limiting the authorization of certain monoclonal antibody treatments that have not proved effective against the omicron variant of the coronavirus ...

A new investigation published in JAMA examines how COVID-19 vaccination affects maternal and perinatal outcomes among ...

Figure illustrates the overall symptomatology of Long COVID (panel A), and the shifting prevalence of Long COVID symptoms across SARS-CoV-2 variants, including Wild-type, Alpha, Delta, and Omicron ...

Masks are optional on planes, trains, and buses in most places across the country, but experts explain why they're keeping theirs on for now.

While some have mild symptoms with COVID-19, others can have severe symptoms, resulting in hospitalization and even death.