New federal data shows the fertility rate in the U.S. dropped to an all-time low in 2024 with less than 1.6 kids per woman.

Health officials in Colorado say the state’s measles outbreak is over, and the U.S. added just 10 confirmed cases nationally ...

On hot summer days, few things are more refreshing than a dip in the pool. But have you ever wondered if the pool is as clean as that crystal blue water appears? As an immunologist and infectious ...

Most people who get it don’t have symptoms, but in some cases it can lead to “major neurologic complications,” according to ...

According to the National Park Service, in the United States, less than 1% of the bats in nature are infected with rabies, ...

Thimerosal, a mercury-containing preservative, has been used in multi-dose vaccine vials since the 1930s to prevent contamination. While concerns abou ...