BREAKING—South Korea is buying 4 key vaccines—Pfizer, Moderna, AstraZeneca and the promising single-dose Johnson & Johnson (J&J hasn’t completed Phase 3 trials yet)—enough for 36 mil people; starting vaccinations w/ elderly and first responders in March. (HT @Rover829) #COVID19
— Eric Feigl-Ding (@DrEricDing) December 8, 2020
