Microbiology Quiz
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HOST–MICROBE INTERACTIONS AND PATHOGENESIS
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In a case-control study investigating a Salmonella outbreak, investigators interview 50 cases and 100 controls about their food consumption in the week before the outbreak. They find that 40 of the 50 cases ate at a specific salad bar, compared to 20 of the 100 controls. What is the odds ratio for illness associated with eating at the salad bar?
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