News

Most West Nile cases in Colorado happen between July and September, though mosquitoes can live until the first snow or hard freeze.
State data shows there have been 63 confirmed cases of the West Nile virus this year. That’s on pace to shatter the rolling five-year average of 99 cases per year. About two-thirds of this year ...
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 ...