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West Nile Virus
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West Nile Virus:  Illinois - Human
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Jo Daviess County Stephenson County Winnebago County McHenry County (1) Boone County Lake County (2) Ogle County Carroll County Cook County (26) Dekalb County Kane County (2) Dupage County (5) Whiteside County Lee County Rock Island County Will County Kendall County (1) La Salle County (1) Bureau County Henry County Grundy County Mercer County Putnam County Kankakee County Stark County Knox County Marshall County Livingston County Henderson County Warren County Iroquois County Ford County Peoria County Woodford County (1) McLean County Tazewell County Fulton County Hancock County McDonough County Vermilion County Mason County Champaign County Logan County De Witt County Schuyler County Piatt County Adams County Menard County Cass County Brown County Macon County Sangamon County Edgar County Douglas County Morgan County Pike County Christian County Moultrie County Scott County Coles County Shelby County Montgomery County Macoupin County Greene County Clark County Calhoun County Cumberland County Jersey County Fayette County Effingham County Crawford County Jasper County Bond County Madison County Clay County Lawrence County Richland County Marion County Clinton County Saint Clair County Wayne County Edwards County Wabash County Monroe County Washington County Jefferson County White County Hamilton County Randolph County Perry County Franklin County (1) Jackson County Gallatin County Saline County Williamson County Hardin County Pope County Johnson County Union County Massac County Alexander County Pulaski County Navigate to Indiana page Navigate to Iowa page Navigate to Kentucky page Navigate to Michigan page Navigate to Missouri page Navigate to Ohio page Navigate to Wisconsin page
Map Scalebar 200 km
Cumulative 2014 Data as of 3 am, Jan 14, 2015*
These data are provisional and may be revised or adjusted in the future.
[Epi curve - Vertical bar graph showing number of incidents for each of 52 weeks]
Cumulative Human Disease Cases by Local Jurisdiction - Illinois, 2015
Cook County26
Dupage County5
Franklin County1
Kane County2
Kendall County1
La Salle County1
Lake County2
McHenry County1
Woodford County1
Cumulative Total Entire State: 40
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Map Legend
* Data demonstrates local jurisdiction of residence and not necessarily the locale where the infection was acquired.
** States and counties in yellow are those in which virus activity has been reported historically, but no positive test results have been reported or no surveillance has occurred this year.