1. Wuhan University deleted SARS2 data relating to early cases 2. @jbloom_lab recovered the data 3. Identified virus sequences that could precede the official "first" SARS2 sequence from China 4. Analysis suggests SARS2 was circulating in Wuhan before Huanan seafood market
https://twitter.com/Ayjchan/status/1407455333115645956