Pfizer is seeking the FDA’s permission to offer a third COVID-19 vaccine dose to those 16 and older. There’s data that the vaccine’s efficacy is waning and evidence that a booster can reverse that.
Pfizer is seeking the FDA’s permission to offer a third COVID-19 vaccine dose to those 16 and older. There’s data that the vaccine’s efficacy is waning and evidence that a booster can reverse that.