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Escherichia coli (abbreviated as E. coli) are bacteria found in the environment, foods, and intestines of people and animals. E. coli are a large and diverse group of bacteria. Although most strains of E. coli are harmless, others can make you sick. Some kinds of E. coli can cause diarrhea, while others cause urinary tract infections ...
The strain of Shiga toxin-producing E. coli O104:H4 that caused a large outbreak in Europe in 2011 was frequently referred to as EHEC. The most commonly identified STEC in North America is E. coli O157:H7 (often shortened to E. coli O157 or even just “O157”).
Feb 7, 2018 · E. coli O157:H7 is the most important STEC serotype in relation to public health; however, other serotypes have frequently been involved in sporadic cases and outbreaks. Symptoms. Symptoms of the diseases caused by STEC include abdominal cramps and diarrhoea that may in some cases progress to bloody diarrhoea (haemorrhagic colitis).
Dec 10, 2006 · What is E. coli? E. coli is a common kind of bacteria that lives in the intestines of animals and people. There are many strains of E. coli. Most are harmless. However, one dangerous strain is called E. coli O157:H7. It produces a powerful poison. You can become very sick if it gets into your food or water.
Oct 1, 2022 · Diagnosis. To diagnose illness caused by E. coli infection, your doctor sends a sample of your stool to a laboratory to test for the presence of E. coli bacteria. The bacteria may be cultured to confirm the diagnosis and identify specific toxins, such as those produced by E. coli O157:H7.
The gram-negative bacteria Escherichia coli O157:H7 and other enterohemorrhagic E. coli (EHEC) typically cause acute bloody diarrhea, which may lead to hemolytic-uremic syndrome. Symptoms are abdominal cramps and diarrhea that may be grossly bloody. Fever is not prominent. Diagnosis is by stool culture and toxin assay.
E. coli O157:H7 is the most common STEC in North America. However, non-O157 STEC serotypes (particularly O26, O45, O91, O103, O111, O113, O121, O128, and O145) may also cause enterohemorrhagic illness, particularly outside the US. In 2011, serotype O104:H4 caused a significant, multinational outbreak in Europe.
