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Massachusetts Arbovirus Daily Update

*Mosquito testing for West Nile virus and Eastern Equine Encephalitis began on June 12, 2017. Please visit this page to view real-time results for mosquitoes, animals, and humans. Risk maps will be updated routinely throughout the mosquito season.

Mosquito Samples PositiveAnimals PositiveHumans Positive
WNV13300
EEE Virus100
map1
map2
What does my risk level
mean?
What does my risk level
mean?

For more information please visit www.mass.gov/dph/mosquito

This information is provided by the Massachusetts Department of Public Health Bureau of Laboratory Sciences and the Epidemiology Program.