Polio General

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Samsiya Ideé, 3 years old is administered a vitamin A oral liquid preparation to in the village of Tchara, Dosso region, Niger on April 23, 2017. ©Gates Archive/Sam Phelps
Samsiya Ideé, 3 years old is administered a vitamin A oral liquid preparation to in the village of Tchara, Dosso region, Niger on April 23, 2017. ©Gates Archive/Sam Phelps