West Nile, Zika, dengue and malaria are among the illnesses that some of these insects can carry. But there are ways to stem the spread of mosquito-borne diseases.
The Big Number: 12 out of 200 types of mosquitoes spread diseases in the U.S.
West Nile, Zika, dengue and malaria are among the illnesses that some of these insects can carry. But there are ways to stem the spread of mosquito-borne diseases.