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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Epidemiological studies is carried for a period of -
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The correct answer is  .epidemiological studies are usually employed for a period of twice the incubation period .it is done so so thzt most of the cases and associated risk factors are identified in such a way that it may help in the interpretation of data collected and thus the epidemiological analysis. ref:park&;s textbook,ed 22,pg no 67