Public health workers use traps to catch mosquitoes, which are then examined for certain species that can transmit diseases. The goal is to protect people from illnesses. A process involving multiple steps is in place to monitor and test for viruses.

Mosquitoes are attracted to water and caught using it as bait. Once caught, they are taken to a lab for further examination under a microscope.

Further details about the testing and examination process are available, including the role of labs in analyzing the caught mosquitoes for specific viruses.