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RUSVM Epidemiology 2016 > Bacterial Foodborne Disease > Flashcards

Bacterial Foodborne Disease Flashcards

1
Q

Intoxication

A

Do not colonize the intestinal tract
Replicate in food
Produce toxins in food

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2
Q

Infection

A

Colonize the GI tract

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3
Q

What are the two ways Bacterial toxins are names?

A

Type

Target tissue

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4
Q

What bacteria produce exotoxins?

A

Staphylococcus aureus
Bacillus cereus
Clostridium botulinum (produces a neurotoxin)
Clostridium perfringens

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5
Q

What bacteria produces endotoxins?

A

Campylobacter jejuni
Salmonella spp.
Escherichia coli
Vibrio cholera

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6
Q

What is the reservoir for Staphylococcus aureus?

A

Skin and nose of healthy people

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7
Q

What is the transmission for Staphylococcus aureus?

A

Contaminated food

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8
Q

What are the clinical signs of Staphylococcus aureus?

A

Vomiting
diarrhea
cramping

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9
Q

How do you prevent Staphylococcus aureus?

A

Proper food hygiene

Proper food storage

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10
Q

What is the reservoir for Bacillus cereus?

A

Soil

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11
Q

What is the transmission for Bacillus cereus?

A

Contaminated food

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12
Q

What are the clinical signs for Bacillus cereus?

A

Enteric form: Vomiting and Nausea

Diarrhea form: Diarrhea and cramping

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13
Q

How do you prevent Bacillus cereus infection?

A

Proper food hygiene

Proper food storage

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14
Q

What is the reservoir for Clostridium botulinum?

A

Soil

Intestinal tracts of Fish and mammals, shellfish, Honey

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15
Q

What is the transmission of Clostridium botulinum?

A

Food contaminated with spores

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16
Q

What are the clinical signs for Clostridium botulinum?

A

Flaccid Paralysis

17
Q

How do you prevent Clostridium botulinum?

A

Avoid contamination of food
Don’t feed honey to very young children
Proper preparation of food

18
Q

What is the reservoir of Clostridium perfringens?

A

Soil

Intestinal tract of people and animals

19
Q

What is the transmission of Clostridium perfringens?

A

Food contaminated at production, processing and preparation

20
Q

What are the clinical signs of Clostridium perfringens?

A

Vomiting
Diarrhea
Abdominal cramps

21
Q

How do you prevent Clostridium perfringens?

A

Proper food processing and perparation

22
Q

What is the reservoir of Campylobacter jejuni?

A

Normal flora of the intestines of many bird species or mammals

23
Q

What is the transmission of Campylobacter jejuni?

A

Contaminated food or water

Direct contact with farm animals

24
Q

How do you prevent Campylobacter jejuni?

A

Reduce infection in bird before slaughter
Meat Hygiene
Pasteurization of milk
Proper handling and cooking of meat

25
Q

What is the reservoir of Salmonella spp.

A

GI flora in many species

Skin flora of reptiles

26
Q

What is the transmission of Salmonella spp.

A

Contaminated foods

27
Q

How do you prevent Salmonella infection?

A 
Reduce level of colonization of animals 
Meat Hygiene 
Pasteurization of Milk 
Proper handling of food 
No Cross contamination 
Cook food properly
28
Q

What is Salmonella enteritidis associated with?

A

Eating raw or undercooked eggs

29
Q

What is the reservoir for E. Coli?

A

GI tract of mammals

30
Q

What is the transmission of E. Coli?

A

Contaminated food
Carcasses contaminated in the plant
Unpasteurized milk
Veggies contaminated with water

31
Q

How do you prevent E. coli infection?

A 
Reduce colonization in animals 
Vaccination of cattle
Proper handling of manure 
Meat hygiene 
Pasteurization of milk 
Prevent food contamination
32
Q

What is the reservoir for Vibrio cholerae?

A

Brackish rivers and coastal waters

33
Q

What is the transmission for Vibrio Cholerae?

A

Contaminated Water!!

34
Q

What are the clinical signs for Vibrio Cholerae?

A

Watery diarrhea

35
Q

How do you prevent Vibrio Cholerae?

A

Sanitation
Sewage management
Proper food handling and preparation

36
Q

What is the reservoir for Listeria Monocytogenes?

A

Soil
Water
Animals

37
Q

How is Listeria transmitted?

A

Contaminated food

38
Q

What are the clinical signs for Listeria?

A

Mild food poisoning flu like symptoms
Septicemia
meningitis
Abortions

39
Q

How do you prevent Listeria?

A

Meat Hygiene
Pasteurize Milk
Proper food preparation

RUSVM Epidemiology 2016 (20 decks)

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