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 ...

It is almost certain that the Covid-19 virus was created in an American laboratory, but certainly not in a Chinese one. This ...

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 ...

In a research published in the PLOS Journal, the scientists in China have revealed about some never-before-seen viruses in the bats that live close to humans. These viruses are quite closely related ...

WHO’s Tedros says ‘all hypotheses must remain on the table’ after critical information not provided to investigators.

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

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

Sharp throat pain that feels like swallowing razor blades—this symptom is particularly noticeable in infections with the new ...

New viruses that are genetically similar to known fatal viruses have been discovered near food sources in a concerning new ...

The WHO Scientific Advisory Group reported progress in understanding COVID-19's origins but noted that critical information ...