West nile virus found in mosquitoes
West Nile Virus Confirmed in Mosquitoes from
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The Massachusetts Department of Public Health (MDPH) announced today that West Nile virus
(WNV) has been detected in mosquitoes collected from Boxborough, Massachusetts
WNV is most commonly transmitted to humans by the bite of a mosquito infected with the virus. While
WNV can infect people of all ages, people over the age of 50 are at higher risk for severe infection.
By taking a few, common-sense precautions, people can help to protect themselves and their loved
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
Apply Insect Repellent
when you go outdoors. Use a repellent with DEET
toluamide), permethrin, picaridin
(KBR 3023), IR3535
or oil of lemon eucalyptus
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 for mosquitoes to 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
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.
WhileBoxborough Board of Health
continues to work closely with the MDPH and other agencies, locally we recommend that the follow the above mentioned precautions. The Boxborough Board of Health will keep the public updated on additional actions that may be appropriate if conditions change.
Information about WNV and reports of WNV activity in Massachusetts during 2010 can be found on the MDPH website atecorded information about WNV is also available by calling the MDPH Public Health Information Line at 1-866-MASS-WNV (1-866-627-7968).
WNV Positive Mosquito Pool--Sample Press Release
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