New WHO report suggests COVID-19 originated from animal-to-human transmission, though Director-General Tedros maintains all ...

NB.1.8.1 is one of the latest variants of COVID-19, a "slightly upgraded version" of the LP.8.1 variant that is prominent ...

A new COVID-19 variant named "Nimbus" has been detected in the U.S. and is spreading rapidly. Here's what to know about ...

An expert group charged by the World Health Organization to investigate the origins of the COVID-19 pandemic has found no ...

The World Health Organization’s expert group says the origin of COVID-19 remains inconclusive, though most evidence still ...

A new Covid-19 variant called NB.1.8.1, or Nimbus, represents about a third of new US Covid-19 cases. Dr. Leana Wen answers ...

Despite years of global investigation, the WHO confirms COVID-19’s true origin remains unknown due to limited data, with ...

The World Health Organization said on Friday that efforts to determine the origins of SARS-CoV-2, the virus that caused the ...

The FDA has updated labels on the top two COVID-19 vaccines to warn of a rare heart side effect, mostly seen in young men. Here's what to know.