WORCESTER – The City of Worcester will begin spraying for mosquitoes in the areas of Park Ave., Grove St. and Institute Rd. on Tuesday, August 7 after the West Nile Virus was again detected within the city.

According to the City, the risk level remains at moderate and no humans have tested positive for the virus.

The spraying will begin at sunset next Tuesday and will last up until midnight in the designated areas on this map.

The City has provided residents with these spray precautions:

  • Please close street facing windows and keep pets inside between sunset and midnight if possible to allow a more thorough application. This type of pesticide is similar to ones used for flea and tick control.
  • Remain inside during the application and for 15-20 minutes afterwards.
  • Accidental exposure is not expected to cause any health concerns in most people.
  • No precautions are needed the day after the application as all residues will have evaporated.
  • Residents with gardens are advised to wash off vegetables before consuming them.
  • There is no need to cover pools as the spray is an oil-based product and will dissipate quickly.
  • Any “outside air” controls on older window unit air conditioners should be turned off.

Residents have the ability to opt out of spraying in front of their property by visiting www.mass.gov/how-to/how-to-request-exclusion-from-wide-area-pesticides-application. Those wishing to opt out of the spraying program should do so at the provided link as soon as possible to ensure they are excluded.

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