A large and miscellaneous class of diseases that are transmitted to humans by vectors, predominantly insects. They include mosquito-borne diseases caused by viruses, bacteria, protozoa, and helminths; diseases spread by blackflies and other biting and blood-sucking flies, ticks, lice, fleas, etc.; and diseases in which the intermediate hosts are fish, freshwater snails, and mammals. Those of current concern in North America are described and discussed at http://www.cdc.gov/ncidod/dvbid/.
Subjects: Public Health and Epidemiology.