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  • Title: Evaluation of real-time polymerase chain reaction assays for the detection of herpes simplex virus in swab specimens.
    Author: Rose L, Herra CM, Crowley B.
    Journal: Eur J Clin Microbiol Infect Dis; 2008 Sep; 27(9):857-61. PubMed ID: 18322714.
    Abstract:
    An in-house herpes simplex virus (HSV) real-time polymerase chain reaction (PCR) hydrolysis probe assay and three commercial real-time HSV assays were evaluated for the detection of HSV from genital, oral, ocular and dermal clinical samples. Five hundred and sixty samples from patients displaying signs and symptoms of HSV infection were used to evaluate the in-house HSV assay. A representative 151 samples were processed using the artus HSV-1/2 TM PCR Kit, SmartCycler Non-typing and SmartCycler Typing ASR kits. The in-house PCR assay demonstrated an overall positivity rate of 38% (211/560), equating to a 14% increase in HSV detection compared to 24% for culture (135/560). All 76 culture-negative, in-house PCR-positive samples were confirmed using at least one HSV commercial kit. The in-house, SmartCycler Non-typing, artus and SmartCycler Typing assays showed improved sensitivity (100%, 100%, 98% and 99%, respectively) compared to culture (37%), and all real-time assays were highly specific (100%). The in-house and commercial real-time HSV PCR assays performed well and, combined with careful clinical interpretation, should improve the detection, differentiation and quantification of HSV from mucocutaneous swab samples.
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