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  • Clinical failure of vancomy...
    Fusco, Dahlene N; Alexander, Elizabeth L; Weisenberg, Scott A; Mediavilla, Jose R; Kreiswirth, Barry N; Schuetz, Audrey N; Jenkins, Stephen G; Rhee, Kyu Y

    Diagnostic microbiology and infectious disease, 10/2009, Volume: 65, Issue: 2
    Journal Article

    Abstract We report a case of recurrent Staphylococcus aureus bacteremia in a patient who failed vancomycin due to a vancomycin-heteroresistant strain lacking methicillin resistance. Although initial isolates were susceptible, isolates obtained after vancomycin chemotherapy were vancomycin heteroresistant. This case thus illustrates the clinical emergence of vancomycin heteroresistance.