Moderna’s new flu vaccine, based on the same mRNA technology used in its COVID-19 shot, showed promising results in a major trial.

A Boston-based nonprofit is among six organizations that on Monday filed a lawsuit against the U.S. Health and Human Services ...

The CDC concludes its emergency response for H5N1 bird flu due to decreased animal infections and no new human cases since ...

The U.S. Centers for Disease Control and Prevention has merged H5N1 bird flu updates with routine updates for seasonal ...