Vermont Business Magazine The first positive results of mosquito testing this year have detected two viruses in the state: West Nile virus in St. Albans and Jamestown Canyon virus in Rutland. This is the first year Vermont is testing for Jamestown Canyon virus, which can cause illness in people similar to other mosquito-borne viruses.

West Nile virus is a viral disease that is transmitted by mosquitoes. The virus is a member of the Flaviviruses, which also includes Zika, dengue and yellow fever viruses. The virus was first identified in the West Nile district of Uganda in 1937,