Half of retail poultry samples were found contaminated with strains of E. coli linked to human urinary tract infections.
Clostridium difficile is another "superbug" found in the U.S. meat supply.
When people think E. coli, they think E. coli 0157:H7, or other diarrheagenic E. coli strains in retail meats, particularly ground beef…. —But have you ever heard of this E coli? You may not have heard of it, but if you’re a woman, odds are you’ve felt it, or you will. This is within the class of E. coli that cause urinary tract infections.
Intestinal E. coli, like O157:H7 are bad, but fewer than 100,000 Americans are infected every year, and fewer than 100 die. But millions of women get extra-intestinal E coli infections every year—urinary tract infections with the potential to invade the bloodstream and cause fatal sepsis, or blood poisoning. The strains of E. coli that cause extraintestinal infection are an increasingly important endemic problem and underappreciated “killers”. Billions of health care dollars, millions of work days, and hundreds of thousands of lives are lost each year to extraintestinal infections due to E. coli.
We know where E. coli O157:H7 comes from—manure in the meat—but where do these other E. coli come from? They come from food too. But which food? Researchers went to supermarkets and tested one thousand six hundred and forty eight different types of food—and, they found it. We now think that urinary tract infections come from eating chickens. Half of retail poultry samples were found contaminated with the UTI-associated strains of E. coli.
Scientists now suspect that by eating chicken, women infect their lower intestinal tract with these meat-borne bacteria, which can then creep up into their bladder. In addition to the traditional hygiene measures aimed at preventing urinary tract infections—wiping from front to back; urinating after intercourse—women can now add avoiding poultry as a way to help fend off UTIs.
In chickens, the disease is called colibacillosis, one of the most significant and widespread infectious diseases in the poultry industry. Why? In part because of the way we treat these animals. Studies have shown infection risk to be directly linked to overcrowding in factory farms. In egg-laying hens confined in cages, the most significant risk factor for flock infection is hen density per cage.
Researchers have calculated that affording just a single liter of additional living space to each hen would be associated with a 33 percent decrease in the risk of a disease outbreak. That’s about equivalent to just a 4-inch cube of space. If each of these birds just got that tiny bit more space the risk drops by a third. Imagine if the birds could actually walk around, spread their wings, get some fresh air? How we treat animals can have significant public health implications.
To see any graphs, charts, graphics, images, and quotes to which Dr. Greger may be referring watch the above video. This is just an approximation of the audio contributed by veganmontreal.
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X. Xia, J. Meng, P.F. McDermott, S. Ayers, K. Blickenstaff, T.T. Tran, J. Abbott, J. Zheng, & S. Zhao. Presence and characterization of shiga toxin-producing Escherichia coli and other potentially diarrheagenic E. coli strains in retail meats. Appl Environ Microbiol, 76(6):1709-1717, 2010.
C. Vincent, P. Boerlin, D. Daignault, C.M. Dozois, L. Dutil, C. Galanakis, R.J. Reid-Smith, P.P. Tellier, P.A. Tellis, K. Ziebell, A.R. Manges. Food reservoir for Escherichia coli causing urinary tract infections. Emerg Infect Dis, 16(1):88-95, 2010.
Please feel free to post any ask-the-doctor type questions here in the comments section and I’d be happy to try to answer them. And check out the other videos on chicken. Also, there are 1,686 other subjects covered in the rest of my videos--please feel free to explore them as well!
For some context, please check out my blog posts: E. coliO145 Ban Opposed by Meat Industry, Talking Turkey: 9 out of 10 retail turkey samples contaminated with fecal bacteria, Why is it Legal to Sell Unsafe Meat?, Bugs & Drugs in Pork: Yersinia and Ractopamine, and Plant-Based Diets for Rheumatoid Arthritis
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