This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Environment and health, Subject name: Social & Preventive Medicine
The flying range of Aedes aegypti is 
Select and explain. 
A. 100 meters, B. 200 meters, C. 300 meters, D. 400 meters
D: 400 meters
Answer: D: 400 meters 
Explanation: Flight range studies suggest that most female Ae. aegypti may spend their lifetime in or around the houses where they emerge as adults and they usually fly an average of 400 metres. This means that people, rather than mosquitoes, rapidly move the virus within and between communities and places. * Different sources may have given a different distance, WHO mentions it as 400 meters Ref: Park 23rd edition Pgno : 771