Eastern Equine Encephalitis virus activity has been detected in Barnstable, Bristol, Essex, Franklin, Hampden, Hampshire, Middlesex, Norfolk, Plymouth and Worcester counties. Nine human cases of EEE have been confirmed so far this year.

For information about ongoing aerial spraying activities occurring in Bristol, Middlesex, Norfolk, Plymouth and Worcester Counties please visit https://www.mass.gov/guides/eee-in-massachusetts#-september-2019-aerial-spraying-information-

Residents are urged to take personal protective activities like using EPA approved repellents and avoiding mosquitoes at peak times. Check back for mosquito results and updated risk maps. West Nile virus activity has also been identified in several communities. See your results below.

Mosquito Samples Positive Animals Positive Humans Positive
WNV 83 0 1
EEE Virus 421 8 9