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Dead Bird found in North Shore tests positive for West Nile virus in Milwaukee County

Posted: 6:21 PM, Jul 21, 2018
Updated: 2018-07-22 22:51:37Z

MILWAUKEE -- The North Shore Health Department reports a dead crow found in Milwaukee County has tested positive for West Nile virus.

The health department says this is the first bird that tested positive for West Nile virus in Milwaukee County since surveillance for the mosquito-transmitted virus began May 1.

“The positive bird means that residents of the North Shore and the region need to be more vigilant in their personal protective measures to prevent mosquito bites,” Ann Christiansen, Health Director/Health Officer said in a news release.

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

“North Shore residents should be aware of West Nile virus and take some simple steps to protect themselves against mosquito bites,” Christiansen 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.”

According to the health department, 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 North Shore Health Department recommends the following to avoid getting West Nile:

  • 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.

For more information on the West Nile virus, click here