Mosquito

The Wisconsin Department of Health Services (DHS) and the Chippewa County Health Department today announced that l

Laboratory testing has confirmed a case of eastern equine encephalitis (EEE) virus infection in a woman in her 60s who had been living in Chippewa County. It is the second human case of EEE in state so far this year and the first resulting in a death.

“We are very sad to report that one of our fellow Wisconsinites has contracted EEE and has passed away. This is the second confirmed case of EEE in our state this year and the seriousness of this infection cannot be overstated,” cautioned Interim State Health Officer Stephanie Smiley. “Since mosquitoes continue to be active in Wisconsin, we are urging people to continue to take steps to protect themselves from mosquito bites.”

Nine cases of EEE have been reported in horses this year, all of which were in the northwestern part of the state, and four of those were from Chippewa County. The cases in animals and now two people represent unusually high levels of EEE activity in the state.

EEE virus is a rare but potentially fatal disease that can affect people of all ages. Symptoms begin anywhere from three to 10 days after the bite of an infected mosquito. Inflammation and swelling of the brain, called encephalitis, is the most dangerous and frequent serious complication. In Wisconsin, the last human case of EEE was reported in 2017.

EEE can be spread to humans through the bite of an infected mosquito. Mosquitoes acquire EEE virus by feeding on infected birds. The virus is not spread person to person or directly between animals and humans.

Even though temperatures have cooled off, as long as mosquitoes are active, the risk of EEE and other illnesses spread by mosquitoes can continue through much of the fall. The single best prevention tool continues to be avoiding mosquito bites.

The state's Department of Health Services and the Chippewa County Health Department encourage all residents to take the following precautions.

Avoid mosquito bites

> Apply an insect repellent with DEET, picaridin, oil of lemon eucalyptus, or IR3535 to exposed skin and clothing.

> Prior to heading outdoors, treat clothing with permethrin; do not apply permethrin directly to skin.

> Consider rescheduling outdoor activities that occur during evening or early morning hours, when mosquitoes are most active

> Wear long-sleeves, long pants, and socks when outdoors to help keep mosquitoes away from the skin.

Mosquito-proof the home

> Make sure window and door screens are intact and tightly fitted to prevent mosquitoes from getting into the home.

> Prevent mosquitoes from breeding around the home by removing stagnant water from items around the property, such as tin cans, plastic containers, flower pots, discarded tires, roof gutters, and downspouts.

> Turn over wheelbarrows, kiddie pools, buckets, and small boats such as canoes and kayaks when not in use.

> Change the water in bird baths and pet dishes at least every three days.

> Clean and chlorinate swimming pools, outdoor saunas, and hot tubs; drain water from pool covers.

> Trim or mow tall grass, weeds, and vines since mosquitoes use those areas to rest during hot daylight hours.

Protect animals

> Animal owners should reduce potential mosquito breeding sites on their property by eliminating standing water from containers such as buckets, tires, and wading pools – especially after heavy rains.

> Owners should also speak with their veterinarian about mosquito repellents approved for use in animals and vaccinations to prevent West Nile Virus and EEE.

(Copyright © 2021 APG Media)

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