Eastern Equine Encephalitis (EEE)/ West Nile Virus (WNV) Surveillance Report

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8/8/23

The following cities and towns had WNV (West Nile virus) positive mosquito sample(s): Easton and Quincy

Recommended public health measures include raising awareness among residents, reminding residents to use mosquito repellents with an EPA-registered active ingredient and observing peak mosquito activity at dusk and dawn.

MDPH will continue enhanced surveillance activities in this region.

8/7/23

MDPH has reported WNV (West Nile Virus) positive mosquito samples from Berkshire, Essex, Hampden, Hampshire, Middlesex, Norfolk, Suffolk, and Worcester Counties.

In response to positive WNV detections, the communities of Boston, Brookline, and Watertown were raised to Moderate WNV risk.

Intense regional precipitation events and warm weather will support increased populations of WNV and EEE mosquito vectors. Avoid mosquito bites by using EPA approved repellents, appropriate clothing and avoiding peak mosquito activity between dusk and dawn. Remove standing water by emptying containers and tarps.