Tick-borne disease — United States
In 2017, state and local health departments reported a record number of cases of tickborne disease to CDC, 59 349 cases, up from 48 610 in 2016.
Reported tickborne diseases, U.S. / 2016 / 2017
Lyme disease (confirmed and probable) / 36 429 / 42 743
Anaplasmosis/Ehrlichiosis** / 5750 / 7718
Spotted fever rickettsiosis*** / 4269 / 6248
Babesiosis**** / 1910 / 2368
Tularemia / 230 / 239
Powassan virus / 22 / 33
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Total / 48 610 / 59 349
*Unless stated
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