The Moderna and Pfizer-BioNTech vaccines are very effective in real-world conditions at preventing infections, the C.D.C. reported.


By Gina Kolata from NYT World https://ift.tt/3fsPOhR

Comments

Popular posts from this blog

FOX NEWS: 'Jersey Shore' cast member Jenni 'JWoww' Farley accuses estranged husband of domestic abuse in lengthy open letter