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The patient was human immunodeficiency virus negative with a nonreactive rapid plasma reagin test result in 2003.
Test for syphilis with a rapid plasma reagin test or a Venereal Disease Research Laboratory test.
A nontreponemal serologic test, such as the rapid plasma reagin test (RPR) or Venereal Disease Research Laboratory test, is widely accepted as an effective testing strategy for detecting syphilis, although false-positive and false-negative reactions can occur.

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