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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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The distance from airpo or seapo which has to be free from mosquitoes is -
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The correct answer is  - The aircraft and ships arriving from endemic areas are subjected to aerosol spraying with prescribed insecticides on arrival for destruction of insect vectors. -The distance from airpo or seapo which has to be free from mosquitoes is 400 meters. Reference : Park's textbook of preventive and social medicine, 23rd edition pg no:284