Coliform bacterium that is often associated with human and animal waste and is found in the intestinal court. Although E. coli is capable of residing in the human intestinal court without is responsible for about 90 percent of urinary tract infection casesIt is used by health departments and private laboratories to measure the purity of water. Some of the most prevalent ways of acquiring E.coli infection is by consuming polluted foods such as beef. This fact is due to the cattle’s intestines being exposed to the meat during the slaughtering process, and beef or ground beef having mixtures with meat from various cattles, thereby raising the chances of contamination.