2 ms·

Link? Edit: If you're talking about this press release, I believe this is referencing a different variant. https://www.pfizer.com/news/press-release/press-rel

• rflrob 6y ago
  It is a different variant, but both the 501Y.V2 ("South African lineage" tested in OP) and B.1.1.7 ("UK lineage" tested in the Pfizer study you linked) have the N501Y spike mutation, which (I gather) is the residue of particular concern.