• Mass. DPH will launch second round of mosquito spraying to fight EEE

    Updated:

    BOSTON - The Massachusetts Department of Public Health will be spraying for mosquitos across southeastern Massachusetts for a second time this summer.  

    A mosquito in the state of Massachusetts tested positive for Eastern Equine Encephalitis, known as EEE, according to the DPH. 

    The samples were collected July 15 in Easton and New Bedford in Bristol County. 

    No human or animal cases have been detected this year so far. According to DPH, there is no elevated risk level change associated with this finding. 

    EEE is a rare but serious and potentially fatal disease. It was last confirmed in a turkey and a horse in Worcester County in 2013. It is usually spread to humans through the bite from an infected mosquito.

    The first two human cases of EEE in Massachusetts since 2013 were announced on August 10 and August 16, an indication of the current significant risk of EEE in the Commonwealth.

    “While aerial spraying is an important tool to help us reduce the public health risk of EEE, it’s critically important that everyone in high risk areas continue to take personal precautions against mosquito bites,” said Public Health Commissioner Monica Bharel, MD, MPH. “These steps include using EPA-approved bug spray, wearing long sleeves and pants to cover exposed skin, and cancelling outdoor activities which take place during the hours from dusk to dawn when mosquito activity is at its highest.” 

    >> Guide to aerial mosquito control spraying

    MDAR conducted an initial round of aerial spraying during the overnight hours of August 8-11 in areas of southeastern Massachusetts, and a second round of spraying was expected to achieve maximal effectiveness. 

    MDAR will conduct and monitor aerial spraying in specific areas of Bristol and Plymouth counties which is anticipated to begin on Wednesday, August 21, and continue over several evenings. However, the ability to spray is weather dependent and the schedule may change. Residents are encouraged to visit the DPH website for the latest updates on spraying in their communities. 

    Tips from the Department of Public Health:

    Avoid Mosquito Bites
    Apply Insect Repellent when Outdoors. Use a repellent with an EPA-registered ingredient (DEET (N, N-diethyl-m-toluamide), permethrin, picaridin (KBR 3023), oil of lemon eucalyptus [p-methane 3, 8-diol (PMD)] or IR3535) 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.

    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 in areas of high risk.

    Clothing Can Help Reduce Mosquito Bites. Wearing long-sleeves, long pants and socks when outdoors will help keep mosquitoes away from your skin.

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

    Install or Repair Screens. Keep mosquitoes outside by having tightly-fitting screens on all of your windows and doors.

    Protect Your Animals
    Animal owners should reduce potential mosquito breeding sites on their property by eliminating standing water from containers such as buckets, tires, and wading pools – especially after heavy rains. Water troughs provide excellent mosquito breeding habitats and should be flushed out at least once a week during the summer months to reduce mosquitoes near paddock areas. Horse owners should keep horses in indoor stalls at night to reduce their risk of exposure to mosquitoes. Owners should also speak with their veterinarian about mosquito repellents approved for use in animals and vaccinations to prevent WNV and EEE. If an animal is suspected of having WNV or EEE, owners are required to report to the Department of Agricultural Resources (DAR), Division of Animal Health by calling 617-626-1795 and to the Department of Public Health (DPH) by calling 617-983-6800.

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