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7 Cards in this Set

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What is Travelers diarrhea?
It is characterized by watery diarrhea, low-grade fever nausea and vomiting and is caused by enterotoxigenic E. coli(ETEC).
What is the virulence of the bacterium/
It is derived from its ability to secrete two types of exotoxins that act on the enteric tract. One toxin is heat labile, A_B toxin and acts like the cholera toxin. Another toxin is heat stable. These small proteins alter host cell function that cause large amounts of fluid secretion into the intestinal tract.
What is EIEC?
Enteroinvasive E. coli. This causes a disease that is similar to Shigella dysentery. Blood and pus are found in the stool. It does not possess a heat labile or stale toxin.
What is EPEC?
This results in a profuse watery diarrhea. These bacteria are very similar to the EHEC E. coli.
What is the difference between EPEC and EHEC?
EPEC does not produce a shiga toxin, and does not produce the systemic symptoms characteristic of those bacteria.
What is EAEC?
This is most notable for its ability to cause chronic diarrhea, especially in younger children and in AIDS patients.
Campylobacter is the most common bacterial cause of diarrhea in the US. TRUE/FALSE
TRUE. watery stools fever, vomiting and headaches are common symptoms. Diarrheal episodes can last 2 weeks.