--- title: Parents Food Safety Guide for E. coli date: 2009-12-13T19:52:15-08:00 author: Bill Marler canonical_url: "https://marlerclark.com/news_events/parents-food-safety-guide-for-e-coli" section: News --- [All News](/news_events) / [Outbreaks](https://marlerclark.com/news_events/outbreaks) / # Parents Food Safety Guide for E. coli [![](http://www.ecoliblog.com/uploads/image/Screen%20shot%202009-12-13%20at%207_51_24%20PM.png)](http://www.ecoliblog.com/uploads/file/ecoliBrochure(1).pdf) Click on image above to download Safety Guide. E. coli – [www.about-ecoli.com](http://www.about-ecoli.com) Escherichia coli (E. coli) are members of a large group of bacterial germs that inhabit the intestinal tract of humans and other warm-blooded animals (mammals, birds). More than 700 serotypes of E. coli have been identified. Their “O” and “H” antigens on their bodies and flagella distinguish the different E. coli serotypes, respectively. The E. coli serotypes that are responsible for the numerous reports of contaminated foods and beverages are those that produce Shiga toxin (Stx), so called because the toxin is virtually identical to that produced by another bacteria known as Shigella dysenteria type 1 (that also causes bloody diarrhea and hemolytic uremic syndrome \[HUS\] in emerging countries like Bangladesh) (Griffin & Tauxe, 1991, p. 60, 73). The best-known and most notorious Stx-producing E. coli is E. coli O157:H7. It is important to remember that most kinds of E. coli bacteria do not cause disease in humans, indeed, some are beneficial, and some cause infections other than gastrointestinal infections, such urinary tract infections. Shiga toxin is one of the most potent toxins known to man, so much so that the Centers for Disease Control and Prevention (CDC) lists it as a potential bioterrorist agent (CDC, n.d.). It seems likely that DNA from Shiga toxin-producing Shigella bacteria was transferred by a bacteriophage (a virus that infects bacteria) to otherwise harmless E. coli bacteria, thereby providing them with the genetic material to produce Shiga toxin. Although E. coli O157:H7 is responsible for the majority of human illnesses attributed to E. coli, there are additional Stx-producing E. coli (e.g., E. coli O121:H19) that can also cause hemorrhagic colitis and post-diarrheal hemolytic uremic syndrome (D+HUS). HUS is a syndrome that is defined by the trilogy of hemolytic anemia (destruction of red blood cells), thrombocytopenia (low platelet count), and acute kidney failure. Stx-producing E. coli organisms have several characteristics that make them so dangerous. They are hardy organisms that can survive several weeks on surfaces such as counter tops, and up to a year in some materials like compost. They have a very low infectious dose meaning that only a relatively small number of bacteria, less than 50, are needed “to set-up housekeeping” in a victim’s intestinal tract and cause infection. The Centers for Disease Control and Prevention (CDC) estimates that every year at least 2000 Americans are hospitalized, and about 60 die as a direct result of E. coli infections and its complications. A recent study estimated the annual cost of E. coli O157:H7 illnesses to be $405 million (in 2003 dollars), which included $370 million for premature deaths, $30 million for medical care, and $5 million for lost productivity (Frenzen, Drake, and Angulo, 2005). E. coli O157:H7 was first recognized as a foodborne pathogen in 1982 during an investigation into an outbreak of hemorrhagic colitis (bloody diarrhea) associated with consumption of contaminated hamburgers (Riley, et al., 1983). The following year, Shiga toxin (Stx), produced by the then little-known E. coli O157:H7 was identified as the real culprit. In the ten years following the 1982 outbreak, approximately thirty E. coli O157:H7 outbreaks were recorded in the United States (Griffin & Tauxe, 1991). The actual number that occurred is probably much higher because E. coli O157:H7 infections did not become a reportable disease (required to be reported to public health authorities) until 1987 (Keene et al., 1991 p. 60, 73). As a result, only the most geographically concentrated outbreaks would have garnered enough attention to prompt further investigation (Keene et al., 1991 p. 583). It is important to note that only about 10% of infections occur in outbreaks, the rest are sporadic. The CDC has estimated that 85% of E. coli O157:H7 infections are foodborne in origin (Mead, et al., 1999). In fact, consumption of any food or beverage that becomes contaminated by animal (especially cattle) manure can result in contracting the disease. Foods that have been sources of contamination include ground beef, venison, sausages, dried (non-cooked) salami, unpasteurized milk and cheese, unpasteurized apple juice and cider (Cody, et al., 1999), orange juice, alfalfa and radish sprouts (Breuer, et al., 2001), lettuce, spinach, and water (Friedman, et al., 1999). ### Other E. coli Lawsuits [Raw Farms linked to another Raw Milk Cheese E.coli Outbreak - 9 People sickened - Company refuses to recall product](https://marlerclark.com/raw-farms-linked-to-another-raw-milk-cheese-e-coli-outbreak-7-people-sickened) [10 with E. coli linked to Cheese](https://marlerclark.com/3-with-e-coli-linked-to-cheese) [Sycamore Pool in Chico California Contaminated with E.coli - Two teens in ICU](https://marlerclark.com/sycamore-pool-in-chico-california-contaminated-with-e-coli-two-teens-in-icu) [Deadly Nationwide E.coli Outbreak Linked to Grimmway Farms Organic Baby and Whole Carrots sickens 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