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Tickborne Diseases

Overview of Tickborne Diseases

Selected Tickborne Diseases Reported to CDC, U.S., 2016

For information about reporting tickborne disease cases or questions about testing, contact your state or local health department.

Six maps of the United States showing where cases have been reported of Anaplasmosis, Babesiosis, Ehrlichiosis, Lyme Disease, Spotted Fever Rickettsiosis, and Tularemia. Cases of Anaplasmosis, Babesiosis, and Lyme Disease are concentrated in the North Eastern corner of the U.S., Ehrlichiosis and Spotted Fever Rickettsiosis are concentrated in the Eastern half of the U.S., and Tularemia in the middle part of the U.S.

 

NOTE: Each dot represents one case. Cases are reported from the infected person’s county of residence, not necessarily the place where they were infected.

NOTE: In 2016, no cases of tickborne illness were reported from Hawaii. In 2016, Alaska reported 6 travel-related cases of Lyme disease and 1 case of tularemia.

NOTE: During 2016, babesiosis was reportable in Alabama, Arkansas, California, Connecticut, Delaware, Illinois, Indiana, Iowa, Louisiana, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, Montana, Nebraska, New Hampshire, New Jersey, New York, North Dakota, Ohio, Oregon, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Washington, West Virginia, Wisconsin, and Wyoming.

NOTE: Anaplasmosis and ehrlichiosis were not reportable in Colorado, Idaho, New Mexico, Alaska, Hawaii in 2016.

NOTE: Spotted fever rickettsiosis was not reportable in Alaska and Hawaii in 2016.

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