The bright yellow steel truss bridge over St. John's River is the official border crossing between Liberia and Guinea. The Liberian-Guinean border has been closed since the early days of the Ebola outbreak. John W. Poole/NPR hide caption

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Christina Quintanilla looks out at the lake near her hometown of San Miguel in eastern El Salvador. John W. Poole/NPR hide caption

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Samuel "Shadow" Morgan. Courtesy of the artist hide caption

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Physician Assistant Tom Harward performs minor surgery at the Belington Clinic in Belington, W.Va. John Poole/NPR hide caption

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