4) “regimen that was 90 percent effective involved using a halved first dose and a standard second dose. Oxford also said that there were no 🏥 or severe cases of the coronavirus in anyone who received the vaccine, & a reduction in asymptomatic infections” https://t.co/1OXzKQOzCW
— Eric Feigl-Ding (@DrEricDing) November 23, 2020