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The present natural #OriginOfCovid hypothesis
1⃣SARSrCoV adapted to spread in human+other animals
2⃣Recently evolved furin cleavage site
3⃣Went to Wuhan where scientists planned to put furin cleavage sites in SARSrCoV
4⃣Spilled over 2x
5⃣Disappeared, no trace at origin or journey
时政
(
twitter.com
)
由
Alina Chan
提交