Latest on COVID-19

Just published @TheLancet: Effect of vaccine in >23,000 health care workers

Dose response: 
No vaccine 977 infections; 
1 dose 71 infections; 
2 doses 9 infections (14|8|4 per 10,000 person-days)
"can prevent both symptomatic and asymptomatic infection "

Read more: https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(21)00790-X/fulltext