Mosquito-Borne Diseases in Vermont

Mosquitoes are active in Vermont from spring through fall. Some mosquitoes can carry viruses that cause disease, including West Nile virus (WNV), Eastern equine encephalitis (EEE), and Jamestown Canyon virus (JCV).

The best way to prevent mosquito-borne diseases is to avoid mosquito bites. Learn how to protect yourself and your family. 

Mosquito Monitoring

The Health Department tracks mosquito-borne diseases by testing mosquitoes collected throughout the state and monitoring reports of human and animal illness. During the summer and early fall, we publish weekly surveillance updates and summarize seasonal findings in an annual report.

 Explore mosquito monitoring data

Quick Tip

Know Before You Go

Travel can increase your risk of exposure to mosquito-borne diseases that are not found in Vermont. Before you leave, check the CDC Traveler's Health website for destination-specific health information, travel notices, recommended vaccines, and tips to prevent mosquito bites.

Traveler's Health (CDC)

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