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Escherichia coli O157:H7 is a serotype of the bacterial species Escherichia coli and is one of the Shiga-like toxin–producing types of E. coli.It is a cause of disease, typically foodborne illness, through consumption of contaminated and raw food, including raw milk and undercooked ground beef.
The clinical presentation in humans ranges from a mild and uncomplicated diarrhea to a hemorrhagic colitis with severe abdominal pain. Serotype O157:H7 may trigger an infectious dose with 100 bacterial cells or fewer; other strain such as 104:H4 has also caused an outbreak in Germany 2011.
Causes: Infection by E coli O157:H7, shigella, salmonella [2] Risk factors: Younger age, female, immunocompromised, or existing renal, urinary, or lower GI disease (because these are the systems involved in the disease) [1] Diagnostic method
EIEC infection causes a syndrome that is identical to shigellosis, with profuse diarrhea and high fever. Enterohemorrhagic E. coli (EHEC) found in humans, cattle, and goats Bloody or nonbloody The most infamous member of this pathotype is strain O157:H7, which causes bloody diarrhea and no fever.
The 2006 North American E. coli outbreak was an Escherichia coli O157:H7 outbreak from prepackaged spinach reported in 27 U.S. states and the Canadian province of Ontario. The outbreak cases spanned from August 30 to October 6, and its origin was traced back to a farm in San Benito County, California. [1]
Dozens of people across the U.S. have contracted E. coli traced to ingredients in McDonald's Quarter Pounders, the Centers for Disease Control and Prevention said Tuesday. As a result, McDonald's ...
Uropathogenic E. coli (UPEC) Verotoxin-producing E. coli; E. coli O157:H7 is an enterohemorrhagic strain also 2006 North American E. coli outbreak; E. coli O104:H4, also 2011 E. coli O104:H4 outbreak; Escherichia coli O121; Escherichia coli O104:H21; Escherichia coli K1, meningitis; Adherent Invasive Escherichia coli (AIEC), morbus Crohn ...
The FSIS introduced testing for E. coli O157:H7 in ground meat. [5] The United States Department of Agriculture (USDA) reclassified E. coli O157:H7 as an adulterant in ground beef. [39] The USDA introduced the Pathogen Reduction and Hazard Analysis and Critical Control Points (PR/HACCP) program. [5] [40] [39] [41]