An adult in Lafayette is the first human death of West Nile virus in Colorado this year, according to the Colorado Department of Public Health and Environment.

The first case of West Nile virus in La Plata County in 2025 was reported to La Plata County Public Health Department in July. LPCPHD Director Theresa Anselmo said the patient’s case was reported to

Colorado recorded its first human death of the year from West Nile virus on Friday. The case was in an adult from Lafayette. That's according to the state health department and Boulder County Public Health, in a press release.