Vaccine maker Pfizer said Friday that trials of its vaccine in children ages 2 to 5 show that it did not provide the expected immunity in kids this age, and it is adding a third dose to the regimen.

Pfizer is about to seek U.S. authorization for a third dose of its COVID-19 vaccine, saying Thursday that another shot within 12 months could dramatically boost immunity and maybe help ward off the ...

To help answer common vaccine questions, we consulted Dr. Stanley Perlman, a professor at the University of Iowa’s Carver College of Medicine and a member of the U.S. Food and Drug Administration’s ...

Find out how different vaccines for the coronavirus cause your body to create antibodies that fight the virus.

Pfizer presented data to investors showing that a third dose of its COVID-19 vaccine boosts immunity. The company believes everyone will need a... Pfizer Says A 3rd Dose Of Its COVID-19 Vaccine Boosts ...

A target discovery agreement to identify disease-specific T-cell receptors (TCRs) in rheumatoid arthritis A data licensing agreement to access Adaptive’s proprietary TCR-antigen datasets for research ...

SEATTLE, Dec. 15, 2025 (GLOBE NEWSWIRE) -- Adaptive Biotechnologies Corporation (ADPT), a commercial stage biotechnology company that aims to translate the genetics of the adaptive immune system into ...