Mosquitoes in Fort Collins test positive for West Nile virus
FORT COLLINS, Colo. -- Mosquitoes trapped in the northeast and southeast sections of Fort Collins tested positive for West Nile virus, the first such cases this season, the city said Tuesday. The measure of infected mosquitoes is 0.03 in the city, and it must be 0.75 in any of the four zones plus two confirmed human cases before the city will consider adjusting the vector index.