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16 Cards in this Set
- Front
- Back
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Most bacterial GI disease are caused by what type of toxin?
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Enterotoxin
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What is intoxication caused by? When is onset? How long does illness last?
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Pre-formed toxin in the food
30 min-6 hrs 1-2 days |
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What is infection? When is onset? How long does illness last?
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Bacteria colonized GI then produce enterotoxins
Several hours to days Several days |
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What bacteria is the most common cause of bacterial intoxication? What kind of toxins do they produce?
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Staph aureus
Superantigen toxins |
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Botulism is caused by what bacteria and which toxin? What type of food is this seen in? What kind of paralysis does it cause?
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Clostridium botulinum & exotoxin
Low acidic canned food Flaccid paralysis |
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Which four bacteria cause intoxication?
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Clostridium botulinum and perfringins, Staph aureus, Bacillus cerus
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What is an intestinal bacteria of food animals that can grow on meat? How is onset different from other intoxicants?
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Clostridium perfringins
Slower, 7-15 hrs |
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What is a common bacteria of food that has been sitting out? Where is it endemic?
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Bacillus cereus
Soil |
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Campylobacter is a common bacteria of what animal's intestine? Do birds become ill? What food is it commonly seen in?
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Birds
No Raw chicken |
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What is the incubation period of Campylobacter? What kind of toxins are produced? Duration of symptoms?
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2-5 days
Enterotoxins 7 days |
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Who is commonly infected with Campylobacter? When?
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Infants/young adults, males over females
More common in summer |
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What is the incubation period of Salmonellosis? What is the duration of symptoms? Who is more likely to be infected, when?
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12-72 hrs
4-7 days Children, in summer |
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What species of Salmonella is most associated with egg disease? What part of the hen is infected?
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S. enteritidis
Ovaries |
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What is the incubation period of E. coli? What type of toxin? Duration of symptoms? What foods?
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3-4 days
Enterotoxin, Shiga toxin (STEC) 5-7 days Raw/undercooked ground beef, raw produce and milk |
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What type of outbreak is common with Vibrio cholerae? What kind of diarrhea is produced? What has eliminated it from the US?
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Waterborne
Very watery diarrhea Water treatment |
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What is the reservoir for Listeria? What kinds of foods is it in?
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Soil, water, animals
Unpasteurized dairy products, poultry, deli meats |
