The origins of COVID-19 remain a mystery as WHO says “Cannot rule out any theory” after an inconclusive study.

Five years removed from the onset of Covid-19's global sweep, research into another subset of the coronavirus has scientists ...

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

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

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 ...

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

The World Health Organization’s expert team, after more than three years of research, has released its final assessment on ...

All hypotheses on how the Covid-19 pandemic began remain open, the World Health Organization said, following an inconclusive ...

Chinese researchers have identified 22 new viruses in kidney tissues from 142 bats. Two of them resemble Hendra and Nipah ...

Viscount Ridley, co-author of Viral: the search for the origin of Covid-19, said: “Like all other formal investigations, the ...