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

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

The National Institutes of Health’s visiting fellows program could be hit hard by the Trump administration’s plan to review ...

Five years after the first COVID-19 deaths were reported in Wuhan, China, a new assessment by the CIA concludes the virus was “more likely” to have leaked from a Chinese laboratory than spread ...

Such hedging notwithstanding, the announcement came as a thunderclap to China, which has long insisted that the Wuhan lab was not responsible. In response to the CIA’s new determination, the ...

Only one day before the CIA’s statement, the agency’s just-sworn-in director, John Ratcliffe, signalled that a new position on the origins of COVID-19 was coming.

China on Monday dismissed the possibility that the virus that caused COVID-19 leaked from a lab, after the CIA said it now favors the so-called lab leak theory over natural transmission. “It is ...

Security personnel stand guard outside the Wuhan Institute of Virology in Wuhan as members of the World Health Organization team investigating the origins of the COVID-19 virus make a visit on ...

The news comes after the CIA announced over the weekend that COVID-19 most likely originated from a leak at the Wuhan Institute of Virology in 2020.

China says it's "extremely unlikely" that COVID-19 came from a lab, after the CIA said it believed , though with low confidence, that it did, rather than from natural transmission.

The CIA now believes the virus responsible for the COVID-19 pandemic most likely originated from a laboratory, according to an assessment released Saturday that points the finger at China even ...