What is the global distribution of Borrelia burgdorferi (B burgdorferi) (Lyme disease)?

Updated: Jul 16, 2019
  • Author: Rodrigo Hasbun, MD, MPH; Chief Editor: Michael Stuart Bronze, MD  more...
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B burgdorferi is a tick-borne spirochete that is found in the temperate regions of much of the northern hemisphere. Endemic regions include North America (eg, the northeastern United States, Minnesota, Wisconsin, and parts of California and Oregon), Europe, and Asia.

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