BREAKING—new #B117 variant & vaccine data from 🇬🇧 research lab shows mutations in B117’s spike protein yields a ~3.8x reduction in efficacy of vaccine-generated neutralization antibodies compared to wildtype (WT) #SARSCoV2 strain. 10 of 15 people had >3x lower neutralization. 🧵 pic.twitter.com/Qbp2TkHo4A

— Eric Feigl-Ding (@DrEricDing) January 18, 2021