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Human Tickborne Disease Incidence Maps
Reported Incidence Rate of Anaplasmosis By County, 2012-2021
Average incidence rates as reported to IDPH, per 100,000 persons per year.
Cases are reported by county of residence, which is not always where the infection was acquired.
Rates were calculated using the 2020 U.S. Census.
Reported Incidence Rate of Ehrlichiosis By County, 2012-2021
Average incidence rates as reported to IDPH, per 100,000 persons per year.
Cases are reported by county of residence, which is not always where the infection was acquired.
Rates were calculated using the 2020 U.S. Census.
Reported Incidence Rate of Lyme Disease By County, 2012-2021
Average incidence rates as reported to IDPH, per 100,000 persons per year.
Cases are reported by county of residence, which is not always where the infection was acquired.
Rates were calculated using the 2020 U.S. Census.
Reported Incidence Rate of Spotted Fever Group Rickettsiosis By County, 2012-2021
Average incidence rates as reported to IDPH, per 100,000 persons per year.
Cases are reported by county of residence, which is not always where the infection was acquired.
Rates were calculated using the 2020 U.S. Census.