⚠️OMICRON “EVADES” NEUTRALIZATION—1st ever #Omicron variant study of blood from Moderna, Oxford-AstraZeneca, Pfizer vaccinated, vs survivors of Alpha, Beta, Delta variants. Omicron #B11529 evasive—but 2x Pfizer/mixed stronger>> convalescent; 3x hit best.🧵 https://t.co/292o740rHy pic.twitter.com/NYei6MACkj

— Eric Feigl-Ding (@DrEricDing) December 13, 2021