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 ...

Colorado's first case of West Nile virus in 2023 has surfaced in La Plata County, according to a Monday news release from the Colorado Department of Public Health and Environment ...