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

The US Centers for Disease Control and Prevention says it has ended its emergency response to H5N1 bird flu, citing a drop in ...