Current local risk levels for Eastern Equine Encephalitis (EEE) and West Nile Virus (WNV)
August 14, 2025August 14, 2025
Department of Public Health: To view the current local risk levels for Eastern Equine Encephalitis (EEE) and West Nile Virus (WNV) BY TOWN – based on seasonal testing from June to October.
The Department of Public Health conducts surveillance for West Nile and Eastern Equine Encephalitis (also called arboviruses) that are spread by mosquitoes in Massachusetts. This surveillance consists of routine testing of mosquitoes and tracking cases in humans, and provides information about when and where people could be at risk.
To view the current local risk levels for Eastern Equine Encephalitis (EEE) and West Nile Virus (WNV) BY TOWN – based on seasonal testing from June to October.
If you are having difficulty viewing the dashboard on a mobile or tablet device, you can try this link to the online dashboard.