<prompt> According to WHO International Health organizations. What is the distance surrounding an Airpo or Seapo which should be free of mosquitoes?100 meter200 meter300 meter400 meter  <response>: Under the WHO International Health Regulations, all international airpos and seapos are kept free from all types of mosquitoes for a distance of 400 m around the perimeter of the pos. Parks textbook of preventive and social medicine 23rd edition. 