Getting COVID and flu vaccines at the same time? Learn which arm to use, how it affects immunity, and what side effects to ...

When it comes to the upcoming influenza season, there's a potential mismatch between the vaccine and what might circulate, raising the risk that the flu season could be severe. And that risk could be ...

Pfizer's mRNA flu vaccine worked better than a standard flu shot in a large Phase 3 trial, researchers reported.

As respiratory virus season begins, public health officials are urging immunization against flu, COVID-19, and RSV. Recommendations have been updated for the new season, particularly concerning the ...