A small Canadian province feared it had a mystery neurological illness on its hands. The search for answers set off a battle for the truth.

A rapidly spreading illness described by the public as a “mysterious virus” has affected large parts of Cuba, pushing the ...

A mysterious outbreak called "el virus" is devastating Cuba, causing dehydration and peeling skin in children, overwhelming ...

A high-fatality virus resurfaces, putting health systems on edge ...

An infectious disease physician and former CDC official said he does not "have faith" that the U.S. is "handling measles very ...

This electron microscope image made available by the Centers for Disease Control and Prevention shows Legionella pneumophila bacteria which are responsible for causing the pneumonic disease ...

The Maryland Department of Natural Resources has released a statement urging calm after almost 100 cases were clocked across the state in recent weeks. “Humans are not at risk… from handling or eating ...

The Centers for Disease Control issued a health alert on a new outbreak of Ebola virus disease. No cases have been reported in Florida or the U.S. The risk of spread to the U.S. is considered low at ...