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

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

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

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 ...

A new variant of COVID-19 known as NB.1.8.1, or “Nimbus,” was first observed last January and has since been identified as ...

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

Reported symptoms of NB.1.8.1 are similar to other COVID-19 strains, but one distinctive complaint is a severe sore throat, ...

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

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