James Martinez's family said his condition is improving in ICU – he is one of two confirmed human cases of West Nile Virus ...

Officials in Northern Colorado are planning to spray for mosquitoes due to an increase in the number of mosquitoes with West Nile Virus.

All Colorado counties have reported at least one human case of West Nile virus since 2003. No one knows how many people have had the virus, because most don’t get sick. Related Articles ...

Colorado’s West Nile virus season is starting a bit early, but experts aren’t sure whether a wet spring will translate into a tough year for the sometimes-deadly mosquito-borne illness. Denver ...

The type of mosquito which carries the West Nile Virus is flourishing, thanks to Colorado’s unusually wet spring and early summer which was followed by warm temperatures. And on the eve of one ...

West Nile virus outlook for Larimer County As of July 1, there has been one human case of West Nile virus in Colorado, that one coming in the last week in Arapahoe County.