VACCINE ESCAPE OF VARIANTS vs Pfizer-BioNTech & NIH-Moderna: Troubling new peer-reviewed paper shows even 2-dose recipients have serious trouble neutralizing the #B1351 🇿🇦 variant—as little as vs old SARS & bat coronavirus. #P1 is poor too. 1-dose worse. Lots of graphs🧵 #COVID19 pic.twitter.com/glXBOqMU4l

— Eric Feigl-Ding (@DrEricDing) March 14, 2021