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News: Pembroke West Nile Virus (WNV) Risk Level: Low

Date Published Author
8/24/2023 12:00:00 AM  Lance Kennedy 

Pembroke West Nile Virus (WNV) Risk Level: Low
What it Means (WNV Risk Levels): Infection with WNV is unlikely

What you can do to prevent WNV infection:

  1. Be prepared: Know your risk -check this page regularly, repair screens, clean up to get rid of mosquito breeding sites, be aware of stagnant water on private property (e.g. unused swimming pools) and consult the local board of health.
  2. Wear mosquito repellent between dusk and dawn
  3. Wear long sleeves and long pants from dusk to dawn
  4. Use mosquito netting on baby carriages and playpens
More about West Nile Virus
Current weather conditions remain favorable for development of Culex mosquito populations although current population is not particularly large. Culex pipiens and C. restuans are the mosquitoes most associated with WNV transmission in Massachusetts. Fortunately, these are also kinds of mosquitoes that use small accumulations of standing water for breeding so by dumping water from items that accumulate it at least twice per week can reduce Culex populations in your area.
  • Drain buckets, barrels, tarps, and wheel barrows to avoid water accumulation
  • Change the water twice each week in birdbaths and outdoor pet water dishes
  • Keep rain gutters clean of debris
  • Check children's outdoor toys for water accumulation
The first WNV infected mosquitoes locally were identified on August 17, relatively early in the season. Virus levels increase throughout the season so now is the time to start practicing personal protection. Pick a mosquito repellent with an EPA-approved active ingredient and use it regularly when outdoors. EPA-approved ingredients include DEET, permethrin, picaridin, oil of lemon eucalyptus and IR 3535. Always read the label and apply according to the directions. If you need help selecting a repellent, one useful repellent selector tool is available here Other personal protection actions include using long-sleeved shirts and pants to reduce exposed skin, weather permitting and avoiding areas with obvious mosquito activity.

The Town will continue to monitor DPH’s twice weekly updates of testing, available to the public at: will implement risk management procedures when appropriate.