2025 Data

IMPORTANT NOTICES

State Health Officials Announce Ninth Human Case of West Nile Virus in Massachusetts - October 24, 2025

West Nile Virus positive mosquito samples have been found in Barnstable, Boston, Framingham, Lincoln, Lynnfield, Newton, North Reading, Otis, Pittsfield, Saugus, Tisbury and Waltham.  Many communities have been increased to Moderate Risk, including North Reading, Peabody and Lynnfield - August 8, 2025

The Massachusetts Department of Public Health (DPH) today announced the first confirmed case of West Nile virus in an animal this year. A goat was exposed to WNV in Lunenburg in Worcester County. The towns of Lunenburg, Leominster, Shirley, and Fitchburg are being raised to moderate risk - July 15, 2025

DPH Clinical Advisory on Tick Bite Prophylaxis - July 14, 2025

The Northeast Massachusetts Mosquito Control and Wetlands Management District is conducting an application to control adult mosquitoes on Monday August 11, 2025, in the evening between the hours of 8:00 pm and 12 am. In case of inclement weather, the backup date of application would be Tuesday August 12, 2025.  The areas to be treated are Rubchinuk Park, Howe Manning School, and Fuller Meadow School.  SEE HERE FOR MORE INFORMATION

Mosquito Spraying will take place at Natsue Way and Rubchinuk Park on Tuesday, June 17, 2025 between the hours of 8:50 PM and 12:00 AM.   Rain date will be Wednesday, June 18.

Massachusetts Department of Public Health Notices


Arbovirus Surveillance Report - June 21, 2025

Arbovirus Surveillance Report - June 28, 2025

Arbovirus Surveillance Report - July 5, 2025

Arbovirus Surveillance Report - July 12, 2025

Arbovirus Surveillance Report - July 19, 2025

Arbovirus Surveillance Report - July 26, 2025

Arbovirus Surveillance Report - August 2, 2025

Arbovirus Surveillance Report - August 9, 2025

Arbovirus Surveillance Report - August 16, 2025

Arbovirus Surveillance Report - August 23, 2025

Arbovirus Surveillance Report - August 30, 2025

Arbovirus Surveillance Report - September 6, 2025

Arbovirus Surveillance Report - September 13, 2025

Arbovirus Surveillance Report - September 20, 2025

Arbovirus Surveillance Report - September 27, 2025

Arbovirus Surveillance Report - October 4, 2025

Arbovirus Surveillance Report - October 11, 2025