dubai/geneva yemen cholera epidemic reach one million suspect case international committee red cross say thursday war leave 80 percent population short food fuel clean water access healthcare yemen one arab world poor countries embroil proxy war houthi arm movement ally iran u.s.-backed military coalition head saudi arabia unite nations say yemen suffer world bad humanitarian crisis eight million people brink famine cholera figure almost certainly exaggerate diminish scale complexity humanitarian crisis say marc poncin yemen emergency coordinator aid agency decins sans fronti res cholera flare april spread rapidly kill 2,227 people death rate fall dramatically without laboratory confirmation recent case probably diarrhea poncin say new wave cholera expect march april probably unavoidable need ready face another big epidemic say poncin add cholera may become long-term burden haiti place war active ones risk increase disease late emergency diphtheria disease see yemen 25 years affect 312 people kill 35. spread explosively cholera diphtheria outbreaks affect many thousands global shortage diphtheria anti-toxin yemen enough 200-500 patients poncin say urgent diphtheria vaccination campaign early 2018 complicate hope mass cholera vaccination time especially give problems security access remote areas poncin say houthis control much country also suspicious vaccination drive add yemen trouble aggravate saudi-led coalition blockade port cause fuel shortage spike food price health system virtually collapse health workers unpaid year although give incentive payments cholera work port close retaliation missile fire yemen houthis wednesday despite fresh missile attack riyadh saudi arabia say would allow houthi-controled port hodeidah vital aid stay open month suspect cholera case yemen hit one million icrc