A new injection to prevent HIV is expected to be approved by the U.S. Food and Drug Administration later this month.

The new vaccine is indicated for individuals who have been previously vaccinated with any COVID-19 vaccine and are 65 years or older, or 12 to 64 years of age with at least 1 underlying condition that ...

The Trump administration’s cancellation of $766 million in contracts to develop mRNA vaccines against potential pandemic flu ...