Journal
JOURNAL OF CLINICAL VIROLOGY
Volume 132, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.jcv.2020.104587
Keywords
SARS-CoV-2; Extraction; RT-PCR
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The severe acute respiratory syndrome coronavirus (SARS-CoV-2) pandemic has resulted in significant shortages of RT-PCR testing supplies including RNA extraction kits. The goal of our study was to determine if a simplified heat-RNA release method would provide comparable detection of SARS-CoV-2 without the need for nucleic acid extraction. RT-PCR results using the ChromaCode HDPCRTM SARS-CoV-2 were compared using the heat-RNA release method and an automated RNA extraction system (EMAG). The heat-RNA release method correctly identified 94 % (81/86 nasopharyngeal samples) that were positive for SARS-CoV-2. Five samples that were missed by heat-RNA release method had a mean Ct value: 35 using the automated extraction instrument, indi-cating a very low viral load. Our findings show that a simple heat-RNA release method is a reasonable alternative for the majority of COVID-19 positive patients and can help overcome the cost and availability issues of RNA extraction reagents.
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