Berkeley declares health emergency as leptospirosis outbreak forces homeless encampment evacuations. Multiple rats and dogs ...

New Mexico reported a 4% increase in drug overdose deaths last year, with the rise concentrated in northern counties.

After child flu deaths broke a record last winter, the CDC dropped its universal flu shot recommendation for kids. Here's ...

A first-of-its-kind map now lets people check measles vaccination rates and risk levels for their local communities by ZIP code. The interactive tool, created by the ABC News data team, uses info from ...

A popular type of super greens powder supplement has been recalled after an investigation found it may be contaminated with ...

President Trump wants to put U.S. boots on the ground in Mexico to fight drug cartels, once again reinforcing his complete ...

Symptoms of salmonella poisoning usually start within hours or days of eating a contaminated food product. They include ...

In sweeping changes to the childhood vaccine schedule, the Centers for Disease Control and Prevention no longer recommends ...

Flu activity across the country has been elevated this season — a trend that U.S. health officials expect may continue for ...

Last year, the CDC confirmed 2,242 measles cases in the US, 93% of which were in unvaccinated people or those with unknown ...