https://www.reuters.com/article/world/exclusive-us-slashed-c...
https://pmc.ncbi.nlm.nih.gov/articles/PMC7096887/
Also, if look up biological weapons research papers from Wuhan, you’ll find that many were done in collaboration with the US, and with US funding.
https://pmc.ncbi.nlm.nih.gov/articles/PMC7096887/