WAUWTOSA, Wis.— Mosquitoes collected in Wauwatosa have tested positive for West Nile virus, marking the first positive mosquito samples found in the city since surveillance began in mid-June.
The Wauwatosa Health Department announced the detection Thursday and is urging residents to take precautions against mosquito bites during peak mosquito season.
No human cases of West Nile have been reported in Wisconsin this year. However, state health officials have detected the virus in birds and mosquitoes in other parts of the state, indicating infected mosquitoes are present and capable of spreading the virus.
West Nile is transmitted through the bite of an infected mosquito. Mosquitoes become infected after feeding on infected birds. The virus is not spread from person to person or directly between animals.
Most people infected with West Nile virus never develop symptoms. Those who do may experience fever, chills, headache, muscle aches, fatigue or a rash. In rare cases, the virus can cause severe illness, including muscle weakness, confusion, paralysis or coma. Older adults and people with weakened immune systems are at the greatest risk for serious complications.
Health officials recommend using insect repellent, wearing long sleeves and pants when outdoors, especially during the evning and early morning hours, and eliminating stadning water around homes where mosquitoes can breed.
The Wauwatosa Health Department says changing water in bird baths and pet bowls regularly, cleaning gutters and keeping window and door screens in good repair can also help reduce mosquito activity.
