Woman who had West Nile virus describes her symptoms In the United States, there have been 45 human cases of West Nile virus spread across 15 states this year.

Jul. 25—A Lafayette adult died of West Nile virus in what officials say is the first such death in Colorado this year. The Colorado Department of Public Health and Environment and Boulder County ...

Weld County confirms its first West Nile virus case of 2025; health officials urge residents to take precautions.