When compared to its XBB vaccine, Pfizer’s KP.2 COVID-19 vaccine offered up to a 7.3-times stronger response in mice infected with KP.2 and several other JN variants, according to trial data.

W hen medical treatments or vaccines are hard to get, it's usually because of too much demand and not enough supply. But in the case of COVID-19 vaccines for kids, it’s the other way around: low ...

ACIP voted to recommend against anyone — adult, child and pregnant person — receiving a seasonal flu vaccine with the mercury-containing compound thimerosal.

The U.S. reported a record 3,448 new COVID-19 deaths Dec. 16, according to data from The COVID Tracking Project.

* FDA SPOKESPERSON SAYS "GIVEN THE PUBLIC HEALTH EMERGENCY, FDA IS ADVISING THAT IT IS ACCEPTABLE TO USE EVERY FULL DOSE OBTAINABLE" - POLITICO * PHARMACISTS HAVE FOUND WAY TO SQUEEZE EXTRA DOSES ...

The U.S. Food and Drug Administration said on Wednesday that extra doses from vials of Pfizer Inc's COVID-19 vaccine can be used after reports of vaccine doses being thrown away by pharmacists due ...

Potential COVID-19 vaccine vials from Pfizer, Oct. 31, 2020. Dado Ruvic/Reuters, FILE Early data revealed Monday that Pfizer's COVID-19 vaccine candidate could be up to 90% effective .