Effectiveness of the BNT162b2 Covid-19 Vaccine against the B.1.1.7 and B.1.351 Variants

NEW ENGLAND JOURNAL OF MEDICINE

MASSACHUSETTS MEDICAL SOC

1. Biomedical Research Program
2. Biostatistics, Epidemiology, and Biomathematics Research Core at Weill Cornell Medicine-Qatar
3. Ministry of Public Health
4. Hamad Medical Corporation
5. Qatar Genome Program