Why it’s a Threat
E.
coli causes an estimated 73,000 cases of
infection and 61 deaths in the United States each
year. Infection often leads to bloody diarrhea,
vomiting, and occasionally to kidney failure.
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Description
Gram-negative bacteria, straight rods approximately
0.5 micron wide and 2 microns long. Exists as a single
organism, in pairs, or in short chains. May possess
one or more flagella.
Vehicles
Cattle, deer, and sheep; may also be found in food
products including undercooked or raw ground beef,
produce, and raw milk.
Prevention
Consumers can prevent E. coli O157:H7 infection
by thoroughly cooking ground beef, avoiding unpasteurized
milk, and washing hands carefully.
Remarks
In about 6% of infections, the toxin produced by
E. coli O157:H7 causes Hemolytic Uremic Syndrome
(HUS), which harms the kidneys and may lead to the
failure of other vital organs and death.
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