It seems like we are hearing about more and more cases of E. coli as a cause of diarrhea these days, including the outbreaks associated with spinach last summer and another outbreak that may have been associated with fast food restaurants.
According to the CDC, about 73,000 cases of Escherichia coli O157:H7 infections and 61 deaths occur each year in the United States.
E. Coli Outbreaks
E. coli normally lives in the intestines of people and animals and outbreaks can occur when food or water gets contaminated with this bacteria. Some sources of E. coli outbreaks include:- undercooked meat
- unpasteurized milk, juice, or cider
- raw vegetables, sprouts, and fruits that were grown or washed in contaminated water
- contaminated drinking water, lakes, or swimming pools
- people who don't wash their hands well after using the bathroom or changing diapers
- petting zoos
- recalled foods, such as raw Nestle Toll House cookie dough (June 2009), frozen pizza (2007), Taco Bell (2006), fresh spinach (2006)
- nonbloody diarrhea that becomes bloody diarrhea after a few days
- stomach pain that comes and goes
- fever, although the fever usually goes away once the child has bloody diarrhea, and some people don't have a fever
- vomiting
- irritability
Hemolytic Uremic Syndrome
Hemolytic uremic syndrome or HUS is a complication of E. coli O157:H7 that includes hemolytic anemia (a low red blood cell count), thrombocytopenia (a low platelet count), and renal failure (kidney damage).
Sources:
Robin Goldman and Henry M. Adam. Escherichia coli. Pediatr. Rev., Mar 2006; 27: 114 - 115.
Nicole Shilkofski and Tina L. Cheng. Escherichia coli O157:H7. Pediatr. Rev., Feb 2004; 25: 75 - 76.
CDC. Escherichia coli O157:H7.
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