Unidentified gunmen shot and killed on Monday a police officer working on Pakistan's first polio vaccination drive of the ...

Here is what we know about polio as a disease, its vaccines and the likely number of lives saved through inoculation.

Polio, a disease that can cause lifelong paralysis, has been eliminated from the U.S. Experts fear a resurgence if lifesaving ...

The Republican senator’s childhood bout with the disease has informed his ardent support for vaccines amid increasing ...