Public
- Learn about West Nile Virus.
- West Nile virus in Colorado.
- CSU Extension: West Nile virus and mosquito management FAQ.
Public health and health care providers
- Report this disease within four days
- HAN Advisory: West Nile virus detected in Colorado mosquitoes | July 6, 2023
- Communicable Disease Manual.
- Arboviral Response Plan.
Data
Reports
Equine West Nile Virus
During the summer of 2023, Colorado has seen an increase in horses affected by the West Nile Virus.
