FILE - In this Monday, May 15, 2017 file photo, people are treated for suspected cholera infection at a hospital in Sanaa, Yemen. The U.N. health agency and some major partners have agreed on Wednesday, June 21, 2017 to send 1 million doses of cholera vaccine to Yemen to help stanch a spiraling and increasingly deadly caseload in the impoverished country, which is already facing war and the risk of famine. (AP Photo/Hani Mohammed, file)
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