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City Wide Newsflash

Posted on: July 3, 2018

MILWAUKEE COUNTY MOSQUITOES TESTS POSITIVE FOR WEST NILE VIRUS

MILWAUKEE COUNTY MOSQUITOES TESTS POSITIVE FOR WEST NILE VIRUS

Protect Yourself Against Mosquito Bites

The Milwaukee City Health Department reports mosquitoes collected from Milwaukee County have tested positive for West Nile virus.  These are the first mosquitoes that have tested positive for West Nile virus in Milwaukee County since surveillance began June 11th.

“Though there have not been any confirmed human cases of West Nile virus yet this year, the positive mosquitoes mean that residents of Milwaukee County need to be more vigilant in their personal protective measures to prevent bites,” Kathy Scott, Health Officer/ Public Health Director said.

West Nile virus is spread to humans through the bite of an infected mosquito. Mosquitoes acquire the virus by feeding on infected birds.

“Milwaukee County residents should be aware of West Nile virus and take some simple steps to protect themselves against mosquito bites”, Scott said. “West Nile virus is here to stay, so the best way to avoid the disease is to reduce exposure to and eliminate breeding grounds for mosquitoes.”

The St. Francis Health Department recommends the following:

  • Limit time spent outside at dawn and dusk, when mosquitoes are most active.
  • Apply an insect repellant with DEET, IR3535, picaridin, or oil of lemon eucalyptus to exposed skin and clothing.
  • Make sure window and door screens are in good repair to prevent mosquito entry.
  • Prevent mosquitoes from breeding by removing stagnant water from items around your property, such as tin cans, plastic containers, flower pots, discarded tires, roof gutters, and downspouts.
  • Turn over wheelbarrows, wading pools, boats, and canoes 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.
  • Landscape to prevent water from pooling in low-lying areas, and trim tall grass, weeds, and vines since mosquitoes use these areas to rest during hot daylight hours.

The majority of people (80%) who are infected with West Nile virus do not get sick. Those who do become ill usually experience mild symptoms such as fever, headache, muscle ache, rash, and fatigue. Less than 1% of people infected with the virus get seriously ill with symptoms that include high fever, muscle weakness, stiff neck, disorientation, mental confusion, tremors, confusion, paralysis, and coma. Older adults and those with compromised immune systems are at greater risk of developing central nervous system illness that can be fatal.

The Wisconsin Department of Health Services (DHS) has monitored the spread of West Nile virus since 2001 among wild birds, horses, mosquitoes, and people. During 2002, the state documented its first human infections and 52 cases were reported that year. During 2017, 48 cases of West Nile virus infection were reported among Wisconsin residents. West Nile virus infections in humans have been reported from June through October; however, most reported becoming ill with West Nile virus in August and September.

For more information on West Nile virus: https://www.dhs.wisconsin.gov/arboviral/westnilevirus.htm


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