Identification of RT-PCR-Negative Asymptomatic COVID-19 Patients via Serological Testing

Asymptomatic individuals with coronavirus disease (COVID-19) have been identified via nucleic acid testing for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2); however, the epidemiologic characteristics and viral shedding pattern of asymptomatic patients remain largely unknown. In this...

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Main Authors: Jinru Wu, Xinyi Liu, Dan Zhou, Guangqian Qiu, Miao Dai, Qingting Yang, Zhonghui Pan, Ning Zhou, Pa Wu
Format: Article
Language:English
Published: Frontiers Media S.A. 2020-06-01
Series:Frontiers in Public Health
Subjects:
Online Access:https://www.frontiersin.org/article/10.3389/fpubh.2020.00267/full
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author Jinru Wu
Jinru Wu
Xinyi Liu
Dan Zhou
Guangqian Qiu
Miao Dai
Qingting Yang
Zhonghui Pan
Ning Zhou
Pa Wu
author_facet Jinru Wu
Jinru Wu
Xinyi Liu
Dan Zhou
Guangqian Qiu
Miao Dai
Qingting Yang
Zhonghui Pan
Ning Zhou
Pa Wu
author_sort Jinru Wu
collection DOAJ
description Asymptomatic individuals with coronavirus disease (COVID-19) have been identified via nucleic acid testing for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2); however, the epidemiologic characteristics and viral shedding pattern of asymptomatic patients remain largely unknown. In this study, serological testing was applied when identifying nine asymptomatic cases of COVID-19 who showed persistent negative RT-PCR test results for SARS-CoV-2 nucleic acid and no symptoms of COVID-19. Two asymptomatic cases were presumed to be index patients who had cleared the virus when their close contacts developed symptoms of COVID-19. Three of the asymptomatic cases were local individuals who spontaneously recovered before their presumed index patients developed symptoms of COVID-19. This report presents the epidemiologic and clinical characteristics of asymptomatic individuals with SARS-CoV-2 infection that were undetected on RT-PCR tests in previous epidemiologic investigations probably due to the transient viral shedding duration.
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spelling doaj.art-378c1ede4b2c4ec397714fa73eb9c0652022-12-21T23:55:08ZengFrontiers Media S.A.Frontiers in Public Health2296-25652020-06-01810.3389/fpubh.2020.00267541282Identification of RT-PCR-Negative Asymptomatic COVID-19 Patients via Serological TestingJinru Wu0Jinru Wu1Xinyi Liu2Dan Zhou3Guangqian Qiu4Miao Dai5Qingting Yang6Zhonghui Pan7Ning Zhou8Pa Wu9College of Life Science, Hunan Normal University, Changsha, ChinaLoudi Center for Disease Control and Prevention, Loudi, ChinaCollege of Life Science, Hunan Normal University, Changsha, ChinaLoudi Center for Disease Control and Prevention, Loudi, ChinaLoudi Center for Disease Control and Prevention, Loudi, ChinaLoudi Center for Disease Control and Prevention, Loudi, ChinaLoudi Center for Disease Control and Prevention, Loudi, ChinaXinhua Center for Disease Control and Prevention, Xinhua, ChinaDepartment of Infectious Diseases, The Second Xiangya Hospital, Central South University, Changsha, ChinaCollege of Life Science, Hunan Normal University, Changsha, ChinaAsymptomatic individuals with coronavirus disease (COVID-19) have been identified via nucleic acid testing for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2); however, the epidemiologic characteristics and viral shedding pattern of asymptomatic patients remain largely unknown. In this study, serological testing was applied when identifying nine asymptomatic cases of COVID-19 who showed persistent negative RT-PCR test results for SARS-CoV-2 nucleic acid and no symptoms of COVID-19. Two asymptomatic cases were presumed to be index patients who had cleared the virus when their close contacts developed symptoms of COVID-19. Three of the asymptomatic cases were local individuals who spontaneously recovered before their presumed index patients developed symptoms of COVID-19. This report presents the epidemiologic and clinical characteristics of asymptomatic individuals with SARS-CoV-2 infection that were undetected on RT-PCR tests in previous epidemiologic investigations probably due to the transient viral shedding duration.https://www.frontiersin.org/article/10.3389/fpubh.2020.00267/fullCOVID-19asymptomaticserological testSARS-CoV-2reverse transcription polymerase chain reaction
spellingShingle Jinru Wu
Jinru Wu
Xinyi Liu
Dan Zhou
Guangqian Qiu
Miao Dai
Qingting Yang
Zhonghui Pan
Ning Zhou
Pa Wu
Identification of RT-PCR-Negative Asymptomatic COVID-19 Patients via Serological Testing
Frontiers in Public Health
COVID-19
asymptomatic
serological test
SARS-CoV-2
reverse transcription polymerase chain reaction
title Identification of RT-PCR-Negative Asymptomatic COVID-19 Patients via Serological Testing
title_full Identification of RT-PCR-Negative Asymptomatic COVID-19 Patients via Serological Testing
title_fullStr Identification of RT-PCR-Negative Asymptomatic COVID-19 Patients via Serological Testing
title_full_unstemmed Identification of RT-PCR-Negative Asymptomatic COVID-19 Patients via Serological Testing
title_short Identification of RT-PCR-Negative Asymptomatic COVID-19 Patients via Serological Testing
title_sort identification of rt pcr negative asymptomatic covid 19 patients via serological testing
topic COVID-19
asymptomatic
serological test
SARS-CoV-2
reverse transcription polymerase chain reaction
url https://www.frontiersin.org/article/10.3389/fpubh.2020.00267/full
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