A police officer working on Pakistan’s first polio vaccination drive of the year was shot and killed by unidentified gunmen ...

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

A Pakistan police officer travelling to guard polio vaccinators was shot dead Monday, police said, on the first day of a ...

In its early stages, poliomyelitis — known as polio — causes fatigue, headaches, stiffness and limb pain after exposure to the poliovirus, according to the World Health Organization ...

Here is what we know about polio as a disease, its vaccines and the likely number of lives saved through inoculation. In its early stages, poliomyelitis — known as polio — causes fatigue ...

The Pakistani Taliban claimed the killing of a police officer as he travelled Monday to guard polio vaccinators on the first day of a nationwide immunisation effort after a year of rising cases. The ...

A senior World Health Organization official cautioned Wednesday that the eradication of polio in Afghanistan and Pakistan, the only countries where the paralytic virus persists, is threatened by ...