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2002 West Nile Virus Surveillance Data

Illinois Numbers at a Glance
 
Illinois Human Cases - (884)
West Nile disease cases by county, age, sex and date of report.
 
Illinois Human Deaths - (67*)
West Nile disease deaths by county, age, sex and date of death.
 
Illinois Human Cases by Week

Graph of West Nile disease cases by week of onset of symptoms.

 
Clinical Presentation of Illinois Human Cases

Pie chart of West Nile disease cases by diagnosis - West Nile fever, encephalitis, aseptic meningitis and unknown.

 
Cook County Human Cases

A map of Cook County that plots the approximate location of West Nile disease cases. More than 70 percent of the state's cases were recorded in Cook County.

 
Illinois Birds, Mosquitoes and Horses

Cumulative totals of West Nile virus infection in birds, mosquitoes and horses by county, municipality and date collected between April and November.

  Bird, Mosquito and Horse Statistics by County
  Illinois Birds, Mosquitoes and Horses Map
  2002 Positive Birds Map
  2002 Positive Mosquitoes Map
  2002 Positive Horses Map

 
Illinois Progression Map

Spread of West Nile virus by week beginning with the week of April 28 and running through November. The Illinois map displays the weekly progression by county of when West Nile virus activity was first reported in birds, mosquitoes or horses (orange) and when a county first reported a human case of West Nile disease (red).

 
Human Cases by States

States, including Illinois, with the highest number of West Nile disease cases.

 
Human Deaths by States *

States, including Illinois, with the highest number of West Nile disease deaths.

 
Other Surveillance Data

* The Illinois WNV fatality total (67) differs from the number reported by the CDC (66) because IDPH received notice of a death after CDC closed case reporting for 2002.

2001 Data | 2003 Data | 2004 Data | 2005 Data | 2006 Data




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Illinois Department of Public Health
535 West Jefferson Street
Springfield, Illinois 62761
Phone 217-782-4977
Fax 217-782-3987
TTY 800-547-0466
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