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Volume 26, Number 10—October 2020

Dispatch

Pooling Upper Respiratory Specimens for Rapid Mass Screening of COVID-19 by Real-Time RT-PCR

So Yeon Kim1, Jaehyeon Lee1, Heungsup Sung, Hyukmin Lee, Myung Guk Han, Cheon Kwon Yoo, Sang Won Lee2, and Ki Ho Hong2Comments to Author 
Author affiliations: National Medical Center, Seoul, South Korea (S.Y. Kim); Jeonbuk National University Medical School and Hospital, Jeonju, South Korea (J. Lee); Asan Medical Center and University of Ulsan College of Medicine, Seoul (H. Sung); Yonsei University College of Medicine, Seoul (H. Lee); Korea Centers for Disease Control and Prevention, Cheongju (M.G. Han, S.W. Lee, C.K. Yoo); Seoul Medical Center, Seoul (K.H. Hong)

Main Article

Figure 1

Distribution of RdRp gene threshold cycle (Ct) values for specimens from 4,364 confirmed patients in South Korea at their initial diagnosis of coronavirus disease (COVID-19) and the specimens selected by stratified sampling. This figure shows the first RdRp gene Ct values of patients receiving a COVID-19 diagnosis (bars). We selected positive samples with the stratified sampling method based on that distribution (line). Cumulative numbers of selected specimens per stratum are shown. Ct, cycle th

Figure 1. Distribution of RdRp gene (Ct) values for specimens from 4,364 confirmed patients in South Korea at their initial diagnosis of coronavirus disease (COVID-19) and the specimens selected by stratified sampling. This figure shows the first RdRp gene Ct values of patients receiving a COVID-19 diagnosis (bars). We selected positive samples with the stratified sampling method based on that distribution (line). Cumulative numbers of selected specimens per stratum are shown. Ct, cycle threshold.

Main Article

1These first authors contributed equally to this article.

2These authors contributed equally to this article.

Page created: August 25, 2020
Page updated: September 17, 2020
Page reviewed: September 17, 2020
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