From left: Emmanuel Kwame lost his sight to river blindness as a young man in Ghana; a bed net keeps mosquitoes away from a mother and child in a Somalian hospital; extracting a guinea worm from an infected person.
Getty Images and NPR
Earlier this year, thousands of South Sudanese civilians fled an attack by armed gunmen on a displaced persons compound run by the U.N. in the northeastern town of Malakal.
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U.N. Secretary-General Ban Ki-moon, pictured during a 2014 visit to Haiti to inaugurate a sanitation campaign. On Thursday, he issued an apology that Haitians have been demanding for six years.
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