ou have just finished administering a food/drink questionnaire to ill and non-ill participants in a Minnesota summer picnic party. The ill individuals developed moderate to severe diarrhea 16 to 46 hours after the picnic. Six persons experienced vomiting. The following data were collected: SEE IMAGE Which food item appears to be the most probable vehicle for the salmonella (agent) infection associated with the illness?

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You have just finished administering a food/drink questionnaire to ill and non-ill participants in a Minnesota summer picnic party. The ill individuals developed moderate to severe diarrhea 16 to 46 hours after the picnic. Six persons experienced vomiting. The following data were collected:

SEE IMAGE

Which food item appears to be the most probable vehicle for the salmonella (agent) infection associated with the illness?

ATE
DID NOT EAT
Number of people
Number of people
Food item
Ill
Not ill
Total
Ill
Not ill
Total
Hot dogs
40
30
70
10
20
30
Hamburgers
32
8
40
20
40
60
Potato salad
45
25
70
15
25
40
Ice cream
48
12
60
38
40
Lemonade
20
40
60
20
20
40
Transcribed Image Text:ATE DID NOT EAT Number of people Number of people Food item Ill Not ill Total Ill Not ill Total Hot dogs 40 30 70 10 20 30 Hamburgers 32 8 40 20 40 60 Potato salad 45 25 70 15 25 40 Ice cream 48 12 60 38 40 Lemonade 20 40 60 20 20 40
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