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https://twitter.com/gadboit/status/1883514690258846067In the spike of #SC2 all the AA changes it has that are not found in other related CoVs (S50, A372 and H519) also happen to be known contributors to the structural integrity of the spike in bat CoVs. @SolidEvidence did not elaborate on these...
https://twitter.com/CD57227/status/16576413503161466882/7 I asked why they tested a more transmissible G614 strain and not the original D614 strain, which would have supported or eliminated raccoon dogs as a potential intermediate host.