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2020 Illinois West Nile Virus

Numbers at a Glance

42 human cases
4 human deaths
63 years - median age of human cases*
29 years - youngest human case*
84 years - oldest human case*
29 counties with positive humans, birds,             mosquitoes and/or horses
10 positive birds
2355 positive mosquito batches
1 positive horses and other animals
* This data will be reported when 10 cases have been identified.
Last Updated

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Illinois Department of Public Health
535 West Jefferson Street
Springfield, Illinois 62761
Phone 217-782-4977
Fax 217-557-3497
TTY 800-547-0466
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