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E. coli Infection Facts

👤by MedicineNet.com 0 comments 🕔Wednesday, July 13th, 2016

The most notorious type of pathogenic E. coli is known as E. coli 0157:H7. The name refers to the chemical compounds found on the surface of the bacterium. This strain was identified in 1982 following an outbreak of diarrhea resulting from the eating of undercooked beef. The 0157:H7 E coli strain belongs to a group of bacteria known as "Shiga toxin-producing" E. coli, or STEC for short. They have also been referred to as verocytotoxic E. coli (VTEC) or enterohemorrhagic E. coli (EHEC). Outbreaks of E. coli 0157:H7-induced illness have been common in recent years. In 2011, a deadly outbreak began in Europe due to a rare strain of E coli, Shiga toxin-producing E. coli O104, or STEC O104, that produces a serious illness similar to that produced by E coli 0157:H7. At the time of the outbreak, which was centered in Germany and related to contaminated vegetables, the STEC 0104 strain had never been identified in the United States.

Examples of other outbreaks include:

In September 2006, the U.S. Food and Drug Administration advised consumers not to buy or eat raw spinach from any source, citing a widespread outbreak of E. coli infection that led to over 100 cases of illness, including one death. The infections resulted from contamination of raw spinach by E. coli bacteria. It is not clear if the bacterial contamination occurred in the field or during processing of the spinach. In 2007, a number of ground beef products were recalled after contamination with E. coli was found, and outbreaks have continued. A restaurant in Effingham, Illinois, was identified as the source of an E. coli outbreak that resulted in at least six confirmed cases of E. coli 0157:H7 among customers in September 2007, and an outbreak also occurred among students at an Indiana elementary school. In June 2009, multiple E. coli 0157:H7 infections occurred in people who had consumed raw refrigerated cookie dough. In April and May 2012, 14 individuals became infected in an outbreak with the Shiga-toxin producing bacterial strain known as STE 0415 in six US states. Shiga toxin-producing E. coli infection symptoms

E. coli 0157:H7 produces toxins that damage the lining of the intestines. The result is severe, bloody diarrhea. Vomiting, abdominal cramps, and fever may also be present.

Medically Reviewed by a Doctor on 7/13/2016

Medical Author:

Melissa Conrad Stöppler, MD

Melissa Conrad Stöppler, MD

Melissa Conrad Stöppler, MD, is a U.S. board-certified Anatomic Pathologist with subspecialty training in the fields of Experimental and Molecular Pathology. Dr. Stöppler's educational background includes a BA with Highest Distinction from the University of Virginia and an MD from the University of North Carolina. She completed residency training in Anatomic Pathology at Georgetown University followed by subspecialty fellowship training in molecular diagnostics and experimental pathology.

Medical Editor:

William C. Shiel Jr., MD, FACP, FACR

William C. Shiel Jr., MD, FACP, FACR

Dr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis University School of Medicine, he completed his Internal Medicine residency and Rheumatology fellowship at the University of California, Irvine. He is board-certified in Internal Medicine and Rheumatology.

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