The World Health Organization has declared that an outbreak of Ebola in Central Africa is a public health emergency. Health ...

Learn more about the deadly 2026 Ebola outbreak, including how many cases there are so far, which countries are most affected, how this outbreak compares with others in severity and more.

The virus's long incubation period is making it difficult for investigators to pinpoint where the infection occurred.

Health officials across the United States and around the world are monitoring a rare but deadly outbreak of hantavirus after ...

Type in your ZIP code above or search your county to see vaccination levels and the risk in your area. As measles has spread throughout the United States, with cases recently reaching a 33-year high, ...

The virus circulated undetected for weeks. Heavy population movement in the area could make it spread farther.

Passengers and close contacts, some with symptoms, are being monitored until not contagious: From Santa Clara, California, to Nebraska, to Emory University in Atlanta.