Frist human Case of West Nile Virus Confirmed in Northern Milwaukee County

MILWAUKEE – The North Shore Health Department (NSHD) announced on Wednesday, Oct. 1, the first human case of West Nile virus (WNV) in northern Milwaukee County.

Earlier this year, WNV activity was identified in other parts of Wisconsin, including additional human cases, and also infected mosquitoes and animals.

West Nile Virus Confirmed

Here’s what you need to know:

West Nile virus is spread to people through the bite of an infected mosquito; it is not transmitted from person to person. Mosquitoes become infected by feeding on infected birds.The illness is most common in Wisconsin during August and September. Though, the risk of contracting WNV and other mosquito-borne illnesses-such as Jamestown canyon virus, La Crosse encephalitis virus, and eastern equine encephalitis virus-remains provided that mosquitoes are active.

Officials say it is important to stay vigilant about preventing mosquito bites throughout the fall until mosquitoes are no longer active, typically after a hard frost (temperatures below 28°F for at least four consecutive hours).

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Most people (about 80%) who are infected with WNV do not become ill. Those who do usually experience mild symptoms such as fever, headache, muscle aches, rash, and fatigue. However,fewer than 1% of infected individuals develop severe illness,with symptoms that may include high fever,muscle weakness,stiff neck,disorientation,confusion,tremors,paralysis,and coma.

Older adults and those with weakened immune systems are at greater risk of developing severe illness, which can be fatal. Anyone who suspects they may have WNV illness should contact their health care provider.

Reduce Exposure to Mosquitoes

Here’s what you can do: