Is it the flu, COVID or something else? That old rapid antigen test sitting in your cupboard may tell you. But this is what ...

Relative vaccine efficacy was 26.6 percent, which met the criteria for noninferiority, superiority, higher-level superiority.

Quadrivalent recombinant influenza vaccines contain three times the amount of hemagglutinin protein as standard-dose egg-based vaccines, and the recombinant formulation is not susceptible to antigenic ...

ATLANTA -- Patients with severe influenza who had a negative rapid influenza antigen test (RIAT) had a significantly longer length of stay in the ICU compared with patients who tested positive, a ...

Add Yahoo as a preferred source to see more of our stories on Google. There are currently two options for at-home flu testing. Here's what you need to know. (Photo illustration: Yahoo News; photos: ...

Two major infectious disease breakthroughs were announced: a trivalent mRNA-based flu vaccine from Moderna outperformed standard shots in older adults, and scientists identified potent human ...

Forbes contributors publish independent expert analyses and insights. Matt Binnicker is the CSO for Mayo Collaborative Services. The U.S. Centers for Disease Control and Prevention notified the public ...