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2021 Illinois West Nile Virus

Numbers at a Glance

64 human cases
5 human deaths
65 years - median age of human cases*
11 years - youngest human case*
89 years - oldest human case*
48 counties with positive humans, birds,             mosquitoes and/or horses
27 positive birds
2663 positive mosquito batches
5 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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