id author title date pages extension mime words sentences flesch summary cache txt cord-295401-3p6q92x4 Gueudin, M Quantitation of respiratory syncytial virus RNA in nasal aspirates of children by real-time RT-PCR assay 2003-02-18 .txt text/plain 3975 206 60 title: Quantitation of respiratory syncytial virus RNA in nasal aspirates of children by real-time RT-PCR assay RSV and GAPDH were quantified in nasal aspirates from 75 children hospitalised for acute respiratory tract disease: 31 (41.3%) were positive according to the immunofluorescence assay (IFA), 34 (45.3%) were culture-positive and 42 (56%) were positive according to our real-time RT-PCR method. RNA and DNA extracted from cell cultures infected with different respiratory viruses were screened by the real-time RT-PCR for RSV to assess the specificity of this assay. Of the 42 samples found to be positive by the real-time RT-PCR assay for RSV, six could not be quantitated as the number of RSV RNA copies contained was below the detection limit of the technique; two of these six samples were also culturepositive. The sensitivity of the real-time RT-PCR assay for RSV on clinical samples was 56%, which is significantly higher than the sensitivity of conventional techniques for the detection of RSV in nasal aspirates. ./cache/cord-295401-3p6q92x4.txt ./txt/cord-295401-3p6q92x4.txt