Conventional tube cell culture compared with centrifugal inoculation of MRC-5 cells and staining with monoclonal antibodies for detection of herpes simplex virus in clinical specimens

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Abstract
During a 15-month period, two methods for detection of herpes simplex virus (HSV) in 699 clinical specimens were compared: (i) 24-well-plate centrifugation (24WPC) with MRC-5 cells and staining with type-specific monoclonal antibodies (Syva Co., Palo Alto, Calif.) after incubation for 16 to 18 h and (ii) conventional tube cell culture with primary rabbit kideny and A549 cells. HSV was identified by conventional tube cell culture in 165 (24%) of 699 specimens and by the 24WPC method in 116 (17%) of 699 specimens. One specimen was positive for HSV by the 24WPC method alone, compared with 50 specimens positive only by conventional cell culture (P < 0.0001). The sensitivity, specificity, and positive and negative predictive values of the 24WPC technique with MRC-5 cells for detection of HSV in clinical specimens were 70,99.8, 99, and 91%, respectively. Centrifugal inoculation of MRC-5 cells in 24-well plates and staining with monoclonal antibodies after incubation for 16 to 18 h is an insensitive means of detecting HSV in clinical specimens and should not replace conventional tube cell culture with primary rabbit kidney cells.