Measles cases have been reported by 39 states and jurisdictions in the United States, the worst outbreak since 2019.

There have been more measles cases in the US this year than any other since the disease was declared eliminated a ...

In the early days of the West Texas measles outbreak, Thang Nguyen eyed the rising number of cases and worried. His 4-year-old son was at risk because he had received only the first of the vaccine's ...

Milder winters and rainy springs help the parasites thrive in the U.S., and emergency-room visits for bites are up.

Ticks can be active in any season and it’s important to check for and remove the bloodsuckers as quickly as possible — ...

Vitamins got their name in the early 1900s when London-based Polish biochemist Casimir Funk—one of many scientists seeking ...

Virginia Castellanos, a South Bay Union School District nurse, is at work when her phone buzzes. “It stinks really bad at ...

This is not a routine leadership change. It’s a calculated dismantling of a public health institution that RFK Jr. pledged to ...