A recent study published in the New England Journal of Medicine evaluated the burden and risk of post-acute sequelae of coronavirus disease 2019 (COVID-19) (PASC) during the pre-Delta, Delta, and ...

A new set of COVID-19 subvariants has been significantly increasing in prevalence but the strains, known as FLiRT, are not expected to cause more serious illness than prior versions of the virus.

As cold and flu season approaches, the situation is becoming more complex with the recent emergence of the new COVID-19 variant, XEC. COVID-19 and knowledge of its exact properties have evolved quite ...

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 ...

The "FLiRT" COVID-19 variants are a new group of strains circulating in the United States, which now account for over one in four cases nationwide. Although cases and hospitalizations have been down ...

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 ...

NEW YORK (WABC) -- South Africa's noticeable drop in new COVID-19 cases in recent days may signal that the country's dramatic omicron-driven surge has passed its peak, medical experts say. Daily virus ...

SAN FRANCISCO (KGO) -- Now that the omicron variant has reached the U.S. via the Bay Area, the question follows, what happens next for vaccines, public policy and research? UCSF has confirmed they're ...

A new study analyzing the immune response to COVID-19 in a Catalan cohort of health workers sheds light on an important ...

Businesses are dealing with staffing issues, higher costs and fewer customers. Small businesses around the country are feeling the impact of the surge in new COVID-19 cases, primarily driven by the ...