A polio vaccination worker administers polio vaccine to a child in a poor neighbourhood that hosts Afghan refugees and internally displaced tribal people on the outskirts of Islamabad

A polio vaccination worker administers polio vaccine to a child in a poor neighbourhood that hosts Afghan refugees and internally displaced tribal people on the outskirts of Islamabad

A polio vaccination worker administers polio vaccine to a child in a poor neighbourhood that hosts Afghan refugees and internally displaced tribal people on the outskirts of Islamabad

A polio vaccination worker administers polio vaccine to a child in a poor neighbourhood that hosts Afghan refugees and internally displaced tribal people on the outskirts of Islamabad