Mosquitoes infected with West Nile virus found in Norfolk

Leslie Hanson
July 9, 2018

With the summer now in full swing, the Oswego County Health Department is reminding people to protect themselves from mosquito bites to guard against diseases such as Eastern equine encephalitis and West Nile virus. No human cases have been reported this season.

"Today's announcement of the West Nile Virus detection is a reminder of the importance of protecting ourselves from the threat of mosquito-borne illness".

Certain mosquito species carry the West Nile virus, which can cause humans to contract West Nile encephalitis, an infection that can result in an inflammation of the brain. "West Nile Virus is a risky disease, particularly for young children and older adults". "Just one bite from an infected mosquito could change your future". Most people who are infected do not become sick, but of those who do, symptoms can include fever, headache, body aches, joint pains, vomiting, diarrhea and skin rash. The program also monitors reports of dead birds (an early sign of the presence of the virus) and investigates areas of stagnant water for the presence of mosquito larvae, specifically from the Culex mosquito, which is the primary carrier of West Nile in IL.

Check your property for ANY items that can hold water. Empty buckets, flower pots, old tires from holding water.

The commission also advises residents to fix window and door screens, empty standing water from gutters, buckets, pool covers and other places regularly.


Use an outdoor flying insect spray where mosquitoes rest. Mosquitoes rest in dark, humid areas like under patio furniture, or under the carport or garage.

Use EPA-approved insect repellent each time they go outside. Cover open vent or plumbing pipes.

Use a larvicide in water that can't be drained to keep mosquitoes from developing.

Make sure that roof gutters drain properly, clear vegetation and debris from the edges of ponds, and remove leaf debris from yards and gardens.

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