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2017 Kane County Chronicle Best of the Fox

State's first human West Nile virus case reported in McHenry County

Published: Thursday, Aug. 22, 2013 5:30 a.m. CDT

The McHenry County Department of Health has confirmed the state’s first human case of West Nile fever of the year.

The Fox River Grove woman, who is in her 50s, was not hospitalized and has since recovered, according to a department news release.

Last week, it was reported that mosquitoes in an Elgin trap had tested positive for West Nile virus, making it the seventh trap in Kane County to contain infected mosquitoes this year.

In addition to Elgin, traps in or near Batavia, Aurora, Montgomery and Algonquin have contained mosquitoes infected with West Nile virus. Three birds – two in Batavia and one in Aurora – also have tested positive for the virus, according to the Kane County Health Department.

Illness from West Nile virus is usually mild and includes fever, headache and body aches but serious complications such as encephalitis, meningitis and death are possible. Illness can occur three to 15 days after an infected mosquito bite. People 50 and older have the highest risk of severe disease.

For information about West Nile virus, visit or call the state’s West Nile hotline at 866-369-9710.

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