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 ...

WHO director Dr Tedros Adhanom Ghebreyesus says all hypotheses are on the table, as the organisation works to reinforce ...

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

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 ...

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 painful sore throat, often referred to as "razor blade throat", is just one of the symptoms of a new COVID-19 variant. This ...

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

Once again, a new strain of COVID has hit the country, and that includes Rhode Island. According to the Centers for Disease ...

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