Mosquitoes in two areas of Weld County have tested positive for West Nile virus, though no human cases have yet been reported in the county.
Mosquitoes are trapped weekly in three zones across Weld County and tested for the virus. Recently, mosquitos in Zone 1 (near Greeley, Evans, Kersey and LaSalle) and Zone 2 (near Johnstown, Milliken and Platteville) tested positive, according to a Weld County news release.
“The increasing hot weather often leads to favorable conditions for the Culex mosquito that carries West Nile virus,” Weld County Health Department Executive Director Jason Chessher said in the release. “The public needs to be vigilant, because West Nile virus has a permanent summer presence in Colorado.”…