Disseminated Lyme disease with a herpetiform center

Every year, nearly half a million Americans are diagnosed and treated for Lyme disease,1 with the overwhelming majority of cases from the Northeast. Lyme disease is the most common tick-borne disease and is caused by the spirochete Borrelia (B. burgdorferi, B. afzelii, or B. garinii) and transmitted by the Ixodes tick. Clinically the disease is subdivided into the following 3 phases: early localized, early disseminated, and late disease. Early localized disease occurs within days to weeks after exposure and is characterized by erythema migrans (EM) at the site of tick bite with or without systemic symptoms.

Abstract licence: CC BY

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   Use of Commercial Claims Data for Evaluating Trends in Lyme Disease Diagnoses, United States, 2010–2018 · 2021

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