black 1460 doc martens Understanding E
SubscriptionsGo to the Subscriptions Centre to manage your:My ProfileYou can’t see it, smell it or taste it. But food or water tainted with certain strains of E. coli bacteria can leave you fighting for your life, especially if your immune system is compromised or you’re very young or very old.Seven people died and more than 2,300 others fell ill in Walkerton, Ont., in May 2000, in Canada’s worst ever E. coli outbreak after the bacteria got into the town’s water supply. The source of the contamination was manure spread on a farmer’s field near one of the town’s wells.The largest beef recall in Canada was prompted by an E. coli outbreak at XL Foods in Brooks, Alta., in September 2012.A common illnessIt was the well known Canadian version, E. coli O157:H7, which contaminated the water system in Walkerton and the XL Foods plant. coli illness a year.In 2006, tainted spinach from California led to the deaths of five Americans and sickened over 200, including a Canadian woman.E. coli O157:H7 can contaminate ground beef during the butchering process. coli outbreak linked to a Harvey’s restaurant in North Bay.In July 2009, President’s Choice brand steaks,
roasts and ground beef products were pulled from store shelves because of possible contamination with E. coli. Undercooked ground beef is one of the most common sources. in April.While the vast majority of people fully recover from a bout of E. coli within a week to 10 days, some people will spend the rest of their lives dealing with the after effects of the illness.What is E. coli and where does it come from?Escherichia coli, its full name, is a type of bacteria commonly found in the intestines of animals and humans. There are hundreds of strains of the bacterium, but E. coli O157:H7 has been identified as dangerous to people, producing a powerful toxin that can cause severe illness.This highly magnified image shows a number of Gram negative Escherichia coli bacteria of the strain O157:H7, which is one of hundreds of strains of this bacterium. Although most strains are harmless, and live in the intestines of healthy humans and animals, this strain produces a powerful toxin, which can cause severe illness. (Janice Haney Carr/CDC)E. coli O157:H7, E. coli O104:H4 and other deadly strains belong to a family of bacteria that’s evolved since the 1960s, when scientists believe E. coli and another bacteria, shigella, met and swapped genes. This created a form of E. coli that secretes the dangerous shiga toxin.