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

The Pakistani Taliban claimed the killing of a police officer as he travelled Monday to guard polio vaccinators on the first ...

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

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