China lab suspected of Covid leak stripped of US funding for violating biosafety rules
(www.telegraph.co.uk)
https://www.reuters.com/article/health-coronavirus-italy-timing-idUSKBN27W1J2
There’s no similar tests done in China (that I can find traces of) so we have no idea when the virus started circulating in China. Just like Winnie the Poo likes it.