2017 Illinois West Nile Virus

Numbers at a Glance

90 human cases

8 human deaths

62 years - median age of human cases*

13 years - youngest human case*

87 years - oldest human case*

63 counties with positive humans, birds, mosquitoes and/or horses

25 positive birds

2022 positive mosquito batches

N/A positive horses and other animals

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