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The original item was published from 10/23/2019 5:32:51 PM to 11/2/2019 12:00:03 AM.

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Posted on: October 25, 2019

[ARCHIVED] Merrimac Board of Health - Mosquito Update

Please use precaution during Trick-or-Treat Hours  


DATE: October 25, 2019                                        CONTACT: Deborah Ketchen, Health Agent

TOWN:   Merrimac                                               TELEPHONE:  978-346-9442



Residents are reminded to be diligent in the use of personal protective measures.  Please review the guidance below and visit the State’s website link at the bottom of this page.  Any group, school or organization can put restrictions on outdoor activities as they see fit.


Avoid Mosquito Bites

Be Aware of Peak Mosquito Hours - The hours from dusk to dawn are peak biting times for many mosquitoes. Consider rescheduling outdoor activities that occur during evening or early morning. Otherwise, take extra care to use repellent and protective clothing.

Clothing Can Help reduce mosquito bites. Although it may be difficult to do when it’s hot, wearing long-sleeves, long pants and socks when outdoors will help keep mosquitoes away from your skin.

Apply Insect Repellent when you go outdoors. Use a repellent with DEET (N, N-diethyl-m-toluamide), permethrin, picaridin (KBR 3023), IR3535 or oil of lemon eucalyptus [p-methane 3, 8-diol (PMD)] according to the instructions on the product label.  DEET products should not be used on infants under two months of age and should be used in concentrations of 30% or less on older children.  Oil of lemon eucalyptus should not be used on children under three years of age.  Permethrin products are intended for use on items such as clothing, shoes, bed nets and camping gear and should not be applied to skin.

Mosquito-Proof Your Home

Drain Standing Water - Mosquitoes lay their eggs in standing water. Limit the number of places around your home where mosquitoes can breed by either draining or getting rid of items that hold water. Check rain gutters and drains. Empty any unused flowerpots and wading pools, and change water in birdbaths frequently.

Install or Repair Screens - Some mosquitoes like to come indoors. Keep them outside by having tightly-fitting screens on all of your windows and doors.

The Merrimac Board of Health will continue to work closely with the MDPH and the Northeast Massachusetts Mosquito Control & Wetlands Management District to determine if any treatment spraying is needed or if there should be any restrictions on outdoor activities.

Information about WNV & EEE activity in Massachusetts during 2019 can be found on the MDPH website at

Additional Info...
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