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HARTFORD, CONN (August 15, 2019) –This week state officials notified the City of Hartford that mosquitoes trapped on August 1, 2019 in Keney Park tested positive for West Nile virus (WNV).  There have been no reported cases of anyone with WNV in Hartford.  West Nile virus has been detected in Connecticut every year since 1999.  Please see Frequently Asked Questions about WNV from the Statehere.  Today Mayor Luke Bronin reminded residents to take precautions to avoid mosquito bites and asked them to report any potential WNV infections to a health care professional. 

“We do not have any reported West Nile infections in Hartford, but we take this positive test seriously, and we encourage residents to take basic steps to prevent mosquito bites,” said Mayor Bronin.  “Tonight, we have one of our free ‘Movies in the Park,’ in Keney Park, and our Health and Human Services team will be there with mosquito repellant to make sure residents are safe.  Please report any potential West Nile virus infection to a health care professional.  I want to thank the Connecticut Agricultural Experiment Station for their work to detect West Nile virus in Hartford.”

The positive mosquito is Culex Pipiens, a predominantly bird-feeding species that has been identified with WNV in previous years.  According to the State, symptoms of WNV can range from a slight fever, headache, rash, swollen lymph nodes and nausea to the rapid onset of a severe headache, high fever, stiff neck, disorientation, muscle weakness, and coma.

The City of Hartford actively works to control the mosquito population to reduce the transmission of mosquito-borne diseases.  The City’s catch basins are treated twice over the summer.  Keney Park is also treated, as its wooded environment provides mosquitoes an ideal breeding location.  The City’s Department of Health and Human Services recommends the following steps to avoid WNV or other mosquito-borne illnesses:

Preventing mosquito bites:

  • Be aware that mosquitoes are most active between dusk and dawn and take preventative steps during that time.
  • Be sure door and window screens are tight fitting and in good repair.
  • Wear shoes, socks, long pants, and a long-sleeved shirt when outdoors for long periods, or when mosquitoes are most active. Clothing should be light colored and made of tightly woven materials that keep mosquitoes away from the skin.
  • Use mosquito netting when sleeping outdoors or in an unscreened structure and to protect small babies when outdoors.
  • Use mosquito repellent, according to directions, when it is necessary to be outdoors.

Preventing mosquitoes at home:

  • Dispose of water-holding containers such as ceramic pots, used tires, and tire swings.
  • Drill holes in the bottom of containers such as those used for recycling.
  • Clean clogged roof gutters.
  • Turn over objects that may trap water when not in use such as wading pools and wheelbarrows.
  • Change water in bird baths on a weekly basis.
  • Use landscaping techniques to eliminate areas where water can collect on your property.

Resources for additional information:

Hartford Department of Health and Human Services: (860) 757-4700;

Connecticut Mosquito Management Program:

Centers for Disease Control and Prevention:



HARTFORD CITY HALL ADDRESS: 550 Main Street, Hartford, CT 06103 PHONE: (860)757-9311 HOURS: 8AM - 5PM