geneva another wave cholera could strike yemen saudi-led coalition blockade cut fuel hospitals water pump vital aid supply starve children world health organization say sunday dr. nevio zagaria country representative yemen tell reuters 16 percent yemeni children age five suffer acute malnutrition include 5.2 percent severe form life-threatening problem increase yemen million people face famine mire proxy war iran-aligned houthi arm movement u.s.-backed military coalition unite nations say lead world bad humanitarian crisis 960,000 suspect case cholera 2,219 deaths report since epidemic begin april figure show children account nearly third infections waterborne disease spread food water contaminate human feces cause acute diarrhoea dehydration kill within hours untreated although number new case drop 11 straight weeks 35 district yemen still report cholera high attack rat communities zagaria say deteriorate economic situation lack safe drink water due water sewage systems many cities lack fuel pump compound humanitarian crisis say perfect mix new explosion cholera epidemic begin rainy season march next year zagaria say telephone interview sanaa amid four days clash capital city work local authorities internationally recognize government houthi-controlled sana identify areas high risk spike cholera epidemic boost defences say campaign oral cholera vaccination initially plan last july acute phase abandon authorities reconsideration preventive action next year say meanwhile ship carry 35 tonnes surgical medical supply divert aden wait weeks offload hodeidah port zagaria say wait hop situation blockade resolve open humanitarian blockade open commercial blockade partial add unite nations appeal friday coalition fully lift blockade yemen partially ease last week let aid hodeidah salif u.n. flight sanaa u.s.-backed military coalition close air land sea access nov. move say stop flow iranian arm houthis control much northern yemen aid shipments cover fraction yemen need since almost food fuel medicine commercially import yemen health system virtually collapse health workers unpaid seven months support 130 hospitals across country provide fuel water oxygen drug medical supply essential equipment zagaria say fuel contractors work find difficulty keep stock say note hospitals require 60,000 liters fuel per month run 15 stabilization center severely acute malnourish children medical complications expand 10 zagaria say see constant flow newly admit patients center deterioration situation term malnutrition children increase ... difficult quantify precise number say zagaria go intensive care unit pediatric ward sadaa last week pediatrician work many years africa need take weight height cholera could resurge yemen due lack aid fuel