Welcome to the Massachusetts Department of Public Health
Arbovirus Daily Update
On these web pages you will find information about mosquitoes, animals and people that tested positive for West Nile virus (WNV) or eastern equine encephalitis (EEE) in your city or town once the 2013 mosquito season is underway. Click on one of the links above for more information.
Map of EEE Risk Categories
Map of WNV Risk Categories