Weld County had 15 reported cases of human West Nile virus, according to the website. The year before reached 52 cases.

A fifth Coloradan was found positive for West Nile virus, this time in Weld County, according to the county’s health officials.

“The public needs to be vigilant because West Nile Virus has a permanent summer presence in Colorado,” Weld County Health Department spokesperson Jason Chessher said in a news release.

Where else has West Nile virus been detected in Northern Colorado? A human case of West Nile virus was reported in Weld County last Friday, according to a news release from the ...