Hargeysa(WSN)jaamacada Arizona ee isla dalka Maraykanka ayaa sii waday mar kale baadhitaanadaa lagu sameeyey kabaha waxayna heleen in qiyaasta bakteeriyada ee dhexdhexaadka ah ee halkii beer ee kabo ah la socotaa inay gaadhayso kumanaan bakteeriyo ah,