Author: Israeli, Ofir; Beth-Din, Adi; Paran, Nir; Stein, Dana; Lazar, Shirley; Weiss, Shay; Milrot, Elad; Atiya-Nasagi, Yafit; Yitzhaki, Shmuel; Laskar, Orly; Schuster, Ofir
Title: Evaluating the efficacy of RT-qPCR SARS-CoV-2 direct approaches in comparison to RNA extraction Cord-id: cbiw6yvb Document date: 2020_6_10
ID: cbiw6yvb
Snippet: SARS-CoV-2 genetic identification is based on viral RNA extraction prior to RT-qPCR assay, however recent studies support the elimination of the extraction step. Herein, we assessed the RNA extraction necessity, by comparing RT-qPCR efficacy in several direct approaches vs. the gold standard RNA extraction, in detection of SARS-CoV-2 from laboratory samples as well as clinical Oro-nasopharyngeal SARS-CoV-2 swabs. Our findings show advantage for the extraction procedure, however a direct no-buffe
Document: SARS-CoV-2 genetic identification is based on viral RNA extraction prior to RT-qPCR assay, however recent studies support the elimination of the extraction step. Herein, we assessed the RNA extraction necessity, by comparing RT-qPCR efficacy in several direct approaches vs. the gold standard RNA extraction, in detection of SARS-CoV-2 from laboratory samples as well as clinical Oro-nasopharyngeal SARS-CoV-2 swabs. Our findings show advantage for the extraction procedure, however a direct no-buffer approach might be an alternative, since it identified up to 70% of positive clinical specimens.
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