The World Health Organization has described as a “hero” a polio vaccination worker who was shot and killed in Pakistan.

Muhammad Ishaq was shot at a dispensary in Karachi on Friday evening, just three days after two WHO workers were shot at in the same area of the city.1

A statement released by WHO said that Ishaq, who was not a member of WHO staff but a local community worker, had worked with the polio eradication campaign for several months, helping to plan and implement vaccination campaigns. It said, “Because of the dedication of heroes like Mr Ishaq Pakistan is this year closer than ever to the eradication of polio. He was known for his dedication and diligence to immunise all children against polio.”

The shooting took place …