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Yemeni men suspected of being infected with cholera receive treatment at a hospital in Sanaa on May 10, 2017. Thirty-four people have died of cholera-related causes and more than 2,000 have been taken ill in Yemen, as humanitarian organisations warned on May 9 that the outbreak could spiral out of countrol. / AFP PHOTO (Photo credit should read /AFP/Getty Images)

Yemeni men suspected of being infected with cholera receive treatment at a hospital in Sanaa on May 10, 2017.
Thirty-four people have died of cholera-related causes and more than 2,000 have been taken ill in Yemen, as humanitarian organisations warned on May 9 that the outbreak could spiral out of countrol. / AFP PHOTO        (Photo credit should read /AFP/Getty Images)