Pfizer and BioNTech ask FDA to authorize COVID vaccine booster for people 18+ The companies say a study of more than 10,000 volunteers show...
Pfizer and BioNTech ask FDA to authorize COVID vaccine booster for people 18+
The companies say a study of more than 10,000 volunteers showed a vaccine efficacy of 95% or greater for people receiving the booster.
Read more on NPR
The companies say a study of more than 10,000 volunteers showed a vaccine efficacy of 95% or greater for people receiving the booster.
Read more on NPR
