Official websites use .mass.gov
A .mass.gov website belongs to an official government organization in Massachusetts.
Secure websites use HTTPS certificate
A lock icon (
) or https:// means you’ve safely connected to the official website. Share sensitive information only on official, secure websites.
Top-requested sites to log in to services provided by the state
Learn what Massachusetts is doing to keep you safe – and ways you can protect yourself and your family – from mosquito and tick bites and the illnesses they can cause.
Find mosquito-borne disease information, including fact sheets and downloadable materials.
Find local risk levels for Eastern Equine Encephalitis (EEE) and West Nile Virus (WNV) based on seasonal testing.
View mosquito-borne disease information for health care providers and veterinarians, including links to specimen submission forms.
Find tick-borne disease information, including fact sheets and downloadable materials.
Monthly Tick Reports show seasonal trends in reported tick bites and tick-borne disease diagnoses in Massachusetts residents.
View tick-borne disease information for health care providers and veterinarians, including the Physician's Reference Manual.
The feedback will only be used for improving the website. If you need assistance, please contact the Bureau of Infectious Disease and Laboratory Sciences. Please limit your input to 500 characters.
Thank you for your website feedback! We will use this information to improve this page.
If you would like to continue helping us improve Mass.gov, join our user panel to test new features for the site.