[aranazo]

They found covid-19 Antibodies in Italian blood samples from September 2019.

https://pubmed.ncbi.nlm.nih.gov/33176598/

PCR tests on Spanish sewer water found positive samples even earlier in 2019. I think the earliest so far French case was in early December 2019. I hope lots more studies are proceeding.

[hef19898]

That aspect gets largely ignored in any discussion regarding Covids origin. Impossible to follow those really early cases up, tracing the infection lines I guess.