geneva yemen stock fuel vaccines run month unless saudi-led military coalition allow aid blockade port hodeidah sanaa airport unicef representative country say friday meritxell relano speak phone reporters geneva say fuel price rise 60 percent urgent concern diphtheria outbreak well food shortages port closure situation already catastrophic get bad say impact unimaginable term health diseases two years civil war yemen million people brink famine 900,000 suspect cholera case past six months number new case fall consistently past eight weeks accord data world health organization progress cholera kill 2,196 people could reverse blockade spokeswoman fadela chaib tell regular u.n. brief geneva closure stop come days may see progress stop chaib say see even case deaths result able get access people closure hodeidah port prevent ship set sail djibouti 250 tonnes medical supply wednesday trauma kit particular run short hostilities continue port remain close able perform life-saving surgeries provide basic healthcare chaib say yemen set run fuel vaccine month unicef