Female mosquitoes generally overwinter — or hide out in the cold winter months — and then emerge as soon as the weather is warm. The milder weather meant they were out in full force, Murray said.

Coupled with the average high temperatures in regions like Pakistan, the mosquito population can grow very quickly. As soon as the juvenile mosquitoes [emerge] from the eggs, they're able to go ...

It’s that annoying insect you swat away and hope doesn’t create an itchy bump.“They’re really defined by being a pest. You ...