Once at the lab, the insects are placed in a large deep freezer. “It just puts them to sleep, and they die in their sleep,” Lab Manager Elizabeth Hart told ABC4. Not only is it a human way to kill the mosquitoes,

Cases of West Nile virus are spreading nationwide, with deaths reported in Colorado and Arizona. What about Florida?

Mosquitoes infected with West Nile virus were also recently identified during routine monitoring. Here's how to stay safe.