Biden says China still withholding ‘critical information’ on Covid origins
US intelligence has ruled out that the coronavirus was developed as a weapon, and most agencies assess with 'low confidence' it was not genetically engineered.
WHO experts say urgent search for Covid origins ‘stalled’
Scientists say the window of opportunity is 'closing fast'.
Biden given inconclusive intelligence report on Covid origins
China meanwhile says the US should be 'prepared to accept a counter-attack' if it wants to level 'baseless' accusations.
WHO confident China will cooperate on Covid origins probe
WHO says 'the politics have really contaminated the environment and changed the atmosphere' of the origins investigation.
WHO urges China to share raw data on early Covid cases
WHO also urges China to release information to address the controversial lab leak theory.
US investigation ‘proves’ Covid-19 leaked from Wuhan lab
The report cites 'ample evidence' that the lab – aided by US experts and Chinese and US government funds – was working to modify coronaviruses to infect humans.
WHO eyes China lab audits next in Covid origin probe
The UN health agency has been under intensifying pressure for a new, more in-depth investigation of how the disease that has killed over four million people around the world first emerged.
Chinese scientist at centre of virus controversy denies lab leak theory
Some scientists have said Dr Shi Zhengli could have been leading so-called 'gain-of-function' experiments in which scientists increase the strength of a virus to better study its effects on hosts.