
An Afghan child receives polio vaccine in Kandahar province, Afghanistan, July 25, 2022. A three-day anti-polio campaign has started in Kandahar province.(Photo: Xinhua)

An Afghan child receives polio vaccine in Kandahar province, Afghanistan, July 25, 2022. A three-day anti-polio campaign has started in Kandahar province.(Photo: Xinhua)

An Afghan child receives polio vaccine in Kandahar province, Afghanistan, July 25, 2022. A three-day anti-polio campaign has started in Kandahar province.(Photo: Xinhua)

An Afghan child receives polio vaccine in Kandahar province, Afghanistan, July 25, 2022. A three-day anti-polio campaign has started in Kandahar province.(Photo: Xinhua)