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

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

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

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, ...

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

The World Health Organization on Sunday declared an Ebola outbreak in the Democratic Republic of Congo and Uganda a “public ...