A Cook County resident has died of West Nile virus, marking the first death from the illness in Illinois this year, according to the state health department.
The person was in their late 70s and became ill in August, according to the Illinois Department of Public Health. The virus contributed to the person’s death.
It was also the first instance of a human case of the virus in Illinois this year.
“This unfortunate first reported death of the year from West Nile virus in Illinois is a reminder that this disease poses a risk, especially to those who have weakened immune systems,” said state health department Director Dr. Sameer Vohra, in a news release.
It’s important Illinois residents protect themselves by wearing insect repellent and removing standing water, which is where mosquitoes breed, from around their homes, he said. The health department also recommends people keep mosquitoes outside by making sure doors and windows have tightfitting screens without tears.
Culex pipiens mosquitoes, commonly called house mosquitoes, can become infected by feeding on affected birds. Those mosquitoes can then give the virus to humans they bite. Common symptoms include fever, nausea, headache and muscle aches, and can last from a few days to a few weeks.
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Most people infected with the virus don’t have any symptoms. In rare cases, it can lead to meningitis, encephalitis or even death. People older than 50 and those who are immunocompromised are at higher risk for severe illness.
Last year, the state health department reported 65 cases in people, including five deaths. Last year, West Nile virus was detected in mosquitoes, birds and/or horses in 48 counties.
This year, so far, mosquitoes have tested positive in 30 counties and birds have tested positive in six counties.
