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

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 ...

An expert group from the World Health Organization failed to find a definitive answer to the COVID-19 pandemic’s origins in ...

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

"Until further requests for information are met, or more scientific data becomes available, the origins of SARS-CoV-2 and how ...

A former top New York State government official and her husband—already facing charges tied to acting as agents for China—are ...

A new COVID variant called NB.1.8.1, aka Nimbus, is spreading in the U.S. and causing an incredibly painful sore throat, ...

A new COVID-19 variant is spreading rapidly through the U.S. What to know about NB.1.8.1 and its symptoms in Tennessee.

An expert group charged by the World Health Organization to investigate how the covid-19 pandemic started released its final ...

Variant NB.1.8.1 accounted for 0% of U.S. cases in April. By mid-June, it was estimated to be the cause of around 37% of ...

Scientists in China's Yunnan province have discovered 20 new viruses in bats, including two closely related to the deadly ...