Pfizer announced Thursday that a third shot of its COVID-19 vaccine raised omicron-fighting antibody by 36 times in children ages 5 to 11. Pfizer/BioNTech plans to request emergency use authorization ...

The data have not yet been peer-reviewed or published. A third dose of the Pfizer COVID-19 vaccine can "strongly" boost protection against the delta variant, suggests new data released by Pfizer. A ...

Pfizer announced Tuesday it is asking the U.S. Food and Drug Administration to authorize booster doses of its COVID-19 vaccine for all adults, ages 18 and older. The request comes a month and a half ...

Pfizer’s Comirnaty vaccine keeps evolving with new variants and shifting U.S. demand. But how effective is the latest formulation, who really needs a booster, and what are experts actually seeing on ...

A third dose of the Pfizer/BioNTech COVID-19 vaccine can "strongly" boost protection against the delta variant -- beyond the protection afforded by the standard two doses, suggests new data released ...