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SurveillanceFranklin County Surveillance

Human Cases

County Age Gender West Nile Clinical Diagnosis Date Reported
McLean 63 Male Neuroinvasive Disease November 18, 2005
McLean 74 Male* Neuroinvasive Disease October 21, 2005
McLean 84 Male* Neuroinvasive Disease October 12, 2005
McLean 21 Female Neuroinvasive Disease September 30, 2005

* indicates individual has died

Neuroinvasive Disease - The most severe type of disease due to a person being infected with West Nile virus is sometimes called “neuroinvasive disease” because it affects a person’s nervous system. Specific types of neuroinvasive disease include: West Nile encephalitis, West Nile meningitis or West Nile meningoencephalitis. Encephalitis refers to an inflammation of the brain, meningitis is an inflammation of the membrane around the brain and the spinal cord, and meningoencephalitis refers to inflammation of the brain and the membrane surrounding it.

West Nile fever - West Nile Fever is another type of illness that can occur in people who become infected with the virus. It is characterized by fever, headache, tiredness, aches and sometimes rash. Although the illness can be as short as a few days, even healthy people have been sick for several weeks.

Other Clinical/Unspecified - Includes persons with clinical manifestations other than West Nile fever, West Nile encephalitis or West Nile meningitis, such as acute flaccid paralysis. Unspecified cases are those for which sufficient clinical information was not provided.

Reported Animal/Insect Positives

County Municipality Date Collected Animal/Insect
McLean Normal June 28, 2005 American crow
McLean Bloomington June 3, 2005 American crow

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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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