An Afghan child receives a polio vaccine during an anti-polio campaign in Kandahar province, Afghanistan, Dec. 12, 2016. An anti-polio campaign started in southern Kandahar province on Monday. (Xinhua/Sanaullah Saiem)
An Afghan child receives a polio vaccine during an anti-polio campaign in Kandahar province, Afghanistan, Dec. 12, 2016. An anti-polio campaign started in southern Kandahar province on Monday. (Xinhua/Sanaullah Saiem)
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