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Massachusetts Arbovirus Surveillance

Once the 2014 arbovirus season is underway, information about mosquitoes that test positive for WNV or EEEv will be posted here.

**Once data is posted, you can click on a county name below to view positive results by town**

For information on protection from mosquito bites, please return to the arbovirus information website.

Test Results - By County

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

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* Surveillance Summaries
* Animal Data
* Human Data
* Mosquito Data