1) https://www.nature.com/articles/nm.3985
Well . . . anyone remember this?

"we BUILT a CHIMERIC virus encoding a novel, zoonotic CoV spike protein—from the RsSHC014-CoV sequence that was isolated from Chinese horseshoe bats1—in the context of the SARS-CoV mouse-adapted backbone”
2) An engineer friend translated this for me:

"they BUILT a CHIMERIC virus that included protein spikes whose designed function is to penetrate cells via the ACE-2 receptor AND they tested this gain of function IN VIVO."
3) The US imposed a prohibition upon "gain of function" research. The person who is identified as tech lead for protein spikes (the key function that allows exploitation of the ACE-2 receptor for example), has since associated with the level 4 bio lab in WUHAN.
4) Credits section says: "Z.-L.S. provided SHC014 spike sequences and plasmids.”

And where is this “Z.-L.S.” now?

https://en.wikipedia.org/wiki/Shi_Zhengli

Shi Zhengli . . . at the Wuhan Institute of Virology.
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