West Nile virus

5:25 pm
Thu September 18, 2014

First Illinois Deaths Related To West Nile Virus In 2014

Credit James Gathany / CDC

Two elderly women in northern Illinois have died after contracting West Nile virus.

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5:23 pm
Wed September 17, 2014

Kane County Health Dept. Confirms First Human Case Of West Nile Virus This Year

The Kane County Health Department has confirmed the first human case of West Nile virus in the county this year.

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6:05 am
Sat September 13, 2014

Northern Illinois Health Officials Continue To Track West Nile Virus

2012 Bird Cases Of West Nile Virus
Credit U.S. Geological Survey

West Nile virus continues to be a threat in northern Illinois.

The temperature may be cooling off, but you'll still want to keep an eye on those mosquitoes. Winnebago County officials confirmed this week that a bird tested positive for West Nile virus. It's the 13th year in a row the virus has been confirmed in the county. The infected bird was found much later than last year.

Map: Bird Cases Of West Nile Virus

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6:09 pm
Tue September 9, 2014

First Confirmed Human Case Of West Nile Virus In Boone County This Year

The Boone County Department of Public Health today confirmed that a Belvidere man is the first human case of West Nile Virus (WNV) in the county in 2014.

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West Nile Virus
5:00 am
Thu August 22, 2013

McHenry Co. Woman Has Illinois' First Human Case of West Nile For 2013

Credit CDC

Illinois' first human case of West Nile virus this year is in McHenry County. Health officials say a woman in her 50s got sick earlier this month. The state had nearly 300 human cases last year and a dozen people died. To date, birds and mosquitos that tested positive for West Nile virus have been reported in 50 counties.

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West Nile Virus
4:47 am
Wed August 7, 2013

Birds Test Positive For West Nile Virus In Winnebago County

Activity By State
Credit CDC

Two crows in Winnebago County have tested positive for the West Nile Virus. The Winnebago County Health Department also found three mosquito pools that tested positive. So far this year, there have not been any human cases reported in the county. Last year, there were three human cases in Winnebago County. In 2012, county health officials confirmed 30 birds tested positive and 13 mosquito pools.

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10:30 am
Thu September 6, 2012

DeKalb County Reports First West Nile Virus Case

The first case of West Nile virus in DeKalb County has been reported to the county health department.  A 59-year-old male county resident was diagnosed recently, a department spokesperson said.

“This is not unexpected,” said Jane Lux, Public Health Administrator at the DeKalb County Health Department, “due to the fact that there have been cases diagnosed throughout Illinois and the United States, and we know that mosquitoes in our area are infected.”

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1:42 pm
Wed August 8, 2012

New West Nile cases in Illinois


West Nile virus is striking people earlier than usual this year in Illinois, and health officials say the number of cases now stands at six. Illinois Department of Public Health spokeswoman Melaney Arnold said Wednesday that human cases have been reported in Chicago, Evanston and several Chicago suburbs.

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1:38 pm
Wed May 23, 2012

Around Illinois – May 23

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West Nile virus shows up early this year

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