Ehrlichiosis is an illness spread by ticks. There are several types of bacteria that cause ehrlichiosis in Wisconsin. Ticks that can spread these bacteria are found in every county in Wisconsin.
Not all tick bites will make you sick, but it’s important to take steps to protect yourself and your family while enjoying time outdoors.
Ehrlichiosis is preventable and treatable. Learn more about Tick Bite Prevention.
Questions about illnesses spread by ticks? We’re here to help.
Bureau of Communicable Diseases