Comparative analysis of primer-probe sets for the laboratory confirmation of SARS-CoV-2
Yu Jin Jung, Gun-Soo Park, Jun Hye Moon, Keunbon Ku, Seung-Hwa Beak, Seil Kim, Edmond Changkyun Park, Daeui Park, Jong-Hwan Lee, Cheol Woo Byeon, Joong Jin Lee, Jin-soo Maeng, Seong Jun Kim, Seung Il Kim, Bum-Tae Kim, Min Jun Lee, Hong Gi Kim
doi: https://doi.org/10.1101/2020.02.25.964775
Abstract
Coronavirus disease 2019 (COVID-19) is newly emerging human infectious diseases, which is caused by Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2, also previously known as 2019-nCoV). Within two months of the outbreak, more than 80,000 cases of COVID-19 have been confirmed worldwide. Since the human to human transmission occurred easily and the human infection is rapidly increasing, the sensitive and early diagnosis is essential to prevent the global outbreak. Recently, World Health Organization (WHO) announced various primer and probe sets for SARS-CoV-2 previously developed in China, Germany, Hong Kong, Japan, Thailand, and USA. In this study, we compared the ability to detect SARS-CoV-2 RNA among the seven primer-probe sets for N gene and the three primer-probe sets for Orf1 gene. The result of the comparative analysis represented that the 2019-nCoV_N2, N3 of USA and the ORF1ab of China are the most sensitive primer-probe sets for N and Orf1 genes, respectively. Therefore, the appropriate combination from ORF1ab (China), 2019-nCoV_N2, N3 (USA), and NIID_2019-nCOV_N (Japan) sets should be selected for the sensitive and reliable laboratory confirmation of SARS-CoV-2.
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