Vector-Borne Diseases on the Rise

mosquito on skin

Warmer temperatures affect what are called vector-borne diseases — those carried by mosquitoes, fleas, ticks, and rodents. We’re seeing earlier annual onset of things like Lyme disease. Plus, cases of mosquito-borne Dengue fever, once unknown in the United States, have doubled each decade since 1990. Other vector-borne diseases, like West Nile Virus, are a national public health concern.