Ariko kugira ngo 'bactéries' zipfe neza neza, bisaba kuzitwikisha amazi ashyushye ku kigero kirenga dogere 70C kandi ibyo woza ukabimaza akanya muri ayo mazi, nkuko bivugwa n'ikigo Food Standards Agency cyita ku buziranenge bw'ibiribwa mu Bwongereza.
