An infection causing a rash similar to that produced by lyme disease affecting residents in southeastern and south central United States. Southern tick-associated rash illness (STARI) is associated with the bite of the lone star tick (Amblyomma americanum). These ticks are found through the southeast and south central states. Even though spirochetes have been seen in A. americanum ticks, attempts to culture them in the laboratory have consistently failed. However, a spirochete has been detected in A. americanum by DNA analysis and was given the name Borrelia lonestari.
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