Enterohemorrhagic E. coli (EHEC)

Definition

Enterohemorrhagic E. coli (EHEC) is a strain of Escherichia coli that causes severe bloody diarrhea and can lead to hemolytic uremic syndrome (HUS). It is often transmitted through contaminated food or water.

5 Must Know Facts For Your Next Test

1. EHEC produces Shiga toxin, which damages the lining of the intestine.
2. The most common serotype associated with EHEC is O157:H7.
3. Symptoms of EHEC infection include severe abdominal cramps, diarrhea (often bloody), and vomiting.
4. Hemolytic uremic syndrome (HUS) can develop from EHEC infection, leading to kidney failure.
5. Preventative measures include proper cooking of meat, avoiding unpasteurized dairy products, and practicing good hand hygiene.

Related terms

Shiga Toxin: A potent toxin produced by some strains of E. coli that inhibit protein synthesis in host cells.

Hemolytic Uremic Syndrome (HUS): A condition characterized by the destruction of red blood cells and kidney failure, often caused by EHEC.

Serotype O157:H7: The most common strain of Enterohemorrhagic Escherichia coli associated with outbreaks and severe disease.