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2003 West Nile Virus Surveillance Data

Illinois Numbers at a Glance
Illinois Human Cases - (54)
West Nile disease cases by county, age, sex and date of report.
Illinois Human Deaths - (1)
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.

Illinois Birds, Mosquitoes and Horses

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

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

Human Cases and Deaths by State
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).
Other Surveillance Data

2001 Data | 2002 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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