3) This is the variant in which prior infection had no protection against, not even severe disease in recently placebo group or Novavax trial. https://t.co/yqgeNJsgzj— Eric Feigl-Ding (@DrEricDing) February 16, 2021
3) This is the variant in which prior infection had no protection against, not even severe disease in recently placebo group or Novavax trial. https://t.co/yqgeNJsgzj