Mosquito control districts or local government departments track mosquito populations to learn where viruses, like Zika or West Nile, are spreading in a community. When people in a large area are getting sick or large numbers of mosquitoes are found, airplanes can treat very large areas with insecticides safely, quickly, and efficiently. This process is called aerial spraying.

Mosquito Control: You Have Options.

CS266235-G

aerialspraying-factsheet.pdf

Stephen B. Thacker CDC Library collection