During an outbreak of food-borne illness, the investigation team first agrees on the symptoms, time period and place that define a case. What is the purpose of this step?
Correct answer: A. To apply a standard case definition
- A. To apply a standard case definition
- B. To identify the final treatment dose
- C. To sterilize the suspected food
- D. To determine the patient's blood group
Explanation
A standard case definition ensures that investigators classify suspected cases consistently during an outbreak. It supports accurate counting and comparison of cases while the source is investigated.
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About Communicable Diseases
Communicable diseases are studied through the chain of infection, including the agent, reservoir, mode of transmission, portal of entry and susceptible host. Coverage includes isolation, disinfection, immunization, surveillance and outbreak control, with attention to diseases such as tuberculosis, malaria, hepatitis, polio and diarrheal infections.
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