YEMEN-HEALTH/(01 of15)
Open Image ModalA girl lies on a bed at a hospital where she is receiving treatment for cholera amid confirmation by the UNICEF and the World Health Organization of an outbreak of the epidemic in Sanaa, the capital of Yemen October 11, 2016. REUTERS/Khaled Abdullah (credit:Khaled Abdullah / Reuters)
YEMEN-HEALTH/(02 of15)
Open Image ModalA girl cries as she is treated at a cholera treatment center in Sanaa, Yemen, October 29, 2016. REUTERS/Khaled Abdullah (credit:Khaled Abdullah / Reuters)
YEMEN-HEALTH/(03 of15)
Open Image ModalA girl cries as she be being treated at a hospital for cholera amid confirmation by the UNICEF and the World Health Organization of an outbreak of the epidemic in Sanaa, the capital of Yemen October 11, 2016. REUTERS/Khaled Abdullah (credit:Khaled Abdullah / Reuters)
YEMEN-HEALTH/(04 of15)
Open Image ModalA girl lies on a bed at a hospital where she is receiving treatment for cholera amid confirmation by the UNICEF and the World Health Organization of an outbreak of the epidemic in Sanaa, the capital of Yemen October 11, 2016. REUTERS/Khaled Abdullah (credit:Khaled Abdullah / Reuters)
YEMEN-HEALTH/(05 of15)
Open Image ModalA boy lies on a bed at a hospital where he is receiving treatment for cholera amid confirmation by the UNICEF and the World Health Organization of an outbreak of the epidemic in Sanaa, the capital of Yemen October 11, 2016. REUTERS/Khaled Abdullah (credit:Khaled Abdullah / Reuters)
YEMEN-HEALTH/(06 of15)
Open Image ModalA boy lies on a bed at a hospital where he is receiving treatment for cholera amid confirmation by the UNICEF and the World Health Organization of an outbreak of the epidemic in Sanaa, the capital of Yemen October 11, 2016. REUTERS/Khaled Abdullah (credit:Khaled Abdullah / Reuters)
YEMEN-CONFLICT-HEALTH-CHOLERA(07 of15)
Open Image ModalA Yemeni child, suspected of being infected with cholera, receives treatment at a hospital in Sanaa on May 15, 2017. / AFP PHOTO / Mohammed HUWAIS (Photo credit should read MOHAMMED HUWAIS/AFP/Getty Images) (credit:AFP via Getty Images)
YEMEN-CONFLICT-HEALTH-CHOLERA(08 of15)
Open Image ModalA Yemeni woman, suspected of being infected with cholera, receives treatment at a hospital in Sanaa on May 15, 2017. / AFP PHOTO / Mohammed HUWAIS (Photo credit should read MOHAMMED HUWAIS/AFP/Getty Images) (credit:AFP via Getty Images)
YEMEN-CONFLICT-HEALTH-CHOLERA(09 of15)
Open Image ModalA Yemeni child, suspected of being infected with cholera, receives treatment at a hospital in Sanaa on May 15, 2017. / AFP PHOTO / Mohammed HUWAIS (Photo credit should read MOHAMMED HUWAIS/AFP/Getty Images) (credit:AFP via Getty Images)
TOPSHOT-YEMEN-CONFLICT-HEALTH-CHOLERA(10 of15)
Open Image ModalTOPSHOT - A Yemeni child, suspected of being infected with cholera, receives treatment at a hospital in Sanaa on May 15, 2017. / AFP PHOTO / Mohammed HUWAIS (Photo credit should read MOHAMMED HUWAIS/AFP/Getty Images) (credit:MOHAMMED HUWAIS via Getty Images)
YEMEN-CONFLICT-HEALTH-CHOLERA(11 of15)
Open Image ModalA Yemeni child, suspected of being infected with cholera, receives treatment at a hospital in Sanaa on May 15, 2017. / AFP PHOTO / Mohammed HUWAIS (Photo credit should read MOHAMMED HUWAIS/AFP/Getty Images) (credit:MOHAMMED HUWAIS via Getty Images)
YEMEN-CONFLICT-HEALTH-CHOLERA(12 of15)
Open Image ModalA Yemeni child, suspected of being infected with cholera, receives treatment at a hospital in Sanaa on May 15, 2017. / AFP PHOTO / Mohammed HUWAIS (Photo credit should read MOHAMMED HUWAIS/AFP/Getty Images) (credit:MOHAMMED HUWAIS via Getty Images)
YEMEN-CONFLICT-HEALTH-CHOLERA(13 of15)
Open Image ModalA Yemeni child, suspected of being infected with cholera, receives treatment at a hospital in Sanaa on May 15, 2017. / AFP PHOTO / Mohammed HUWAIS (Photo credit should read MOHAMMED HUWAIS/AFP/Getty Images) (credit:AFP via Getty Images)
YEMEN-CONFLICT-HEALTH-CHOLERA(14 of15)
Open Image ModalA Yemeni child, suspected of being infected with cholera, receives treatment at a hospital in Sanaa on May 15, 2017. / AFP PHOTO / Mohammed HUWAIS (Photo credit should read MOHAMMED HUWAIS/AFP/Getty Images) (credit:AFP via Getty Images)
YEMEN-CONFLICT-HEALTH-CHOLERA(15 of15)
Open Image ModalA Yemeni child, suspected of being infected with cholera, receives treatment at a hospital in Sanaa on May 15, 2017. / AFP PHOTO / Mohammed HUWAIS (Photo credit should read MOHAMMED HUWAIS/AFP/Getty Images) (credit:AFP via Getty Images)