Significance of serology testing to assist timely diagnosis of SARS-CoV-2 infections: implication from a family cluster

Confirmative diagnosis of SARS-CoV-2 infections has been challenged due to unsatisfactory positive rate of molecular assays. Here we identified a family cluster of SARS-CoV-2 infections, with five of six family members were SARS-CoV-2-specific immunoglobin serology testing positive, while molecular...

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Main Authors: Yan Xu, Meng Xiao, Xinchao Liu, Shengyong Xu, Tiekuan Du, Jun Xu, Qiwen Yang, Yingchun Xu, Yang Han, Taisheng Li, Huadong Zhu, Mengzhao Wang
Format: Article
Language:English
Published: Taylor & Francis Group 2020-01-01
Series:Emerging Microbes and Infections
Online Access:https://www.tandfonline.com/doi/10.1080/22221751.2020.1752610
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author Yan Xu
Meng Xiao
Xinchao Liu
Shengyong Xu
Tiekuan Du
Jun Xu
Qiwen Yang
Yingchun Xu
Yang Han
Taisheng Li
Huadong Zhu
Mengzhao Wang
author_facet Yan Xu
Meng Xiao
Xinchao Liu
Shengyong Xu
Tiekuan Du
Jun Xu
Qiwen Yang
Yingchun Xu
Yang Han
Taisheng Li
Huadong Zhu
Mengzhao Wang
author_sort Yan Xu
collection DOAJ
description Confirmative diagnosis of SARS-CoV-2 infections has been challenged due to unsatisfactory positive rate of molecular assays. Here we identified a family cluster of SARS-CoV-2 infections, with five of six family members were SARS-CoV-2-specific immunoglobin serology testing positive, while molecular assays only detected two of this five patients even repeated twice. We comprehensively analyzed this familial cluster of cases based on the clinical characteristics, chest CT images, SARS-CoV-2 molecular detection results, and serology testing results. At last, two patients were diagnosed with COVID-19, two were suspected of COVID-19, and two were considered close contacts. Our results emphasized the significance of serology testing to assist timely diagnosis of SARS-CoV-2 infections, especially for COVID-19 close contacts screening.
format Article
id doaj-art-102ea9ce1988460e90a95b7aa443255e
institution OA Journals
issn 2222-1751
language English
publishDate 2020-01-01
publisher Taylor & Francis Group
record_format Article
series Emerging Microbes and Infections
spelling doaj-art-102ea9ce1988460e90a95b7aa443255e2025-08-20T02:12:20ZengTaylor & Francis GroupEmerging Microbes and Infections2222-17512020-01-019192492710.1080/22221751.2020.1752610Significance of serology testing to assist timely diagnosis of SARS-CoV-2 infections: implication from a family clusterYan Xu0Meng Xiao1Xinchao Liu2Shengyong Xu3Tiekuan Du4Jun Xu5Qiwen Yang6Yingchun Xu7Yang Han8Taisheng Li9Huadong Zhu10Mengzhao Wang11Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People’s Republic of ChinaPeking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People’s Republic of ChinaPeking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People’s Republic of ChinaPeking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People’s Republic of ChinaPeking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People’s Republic of ChinaPeking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People’s Republic of ChinaPeking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People’s Republic of ChinaPeking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People’s Republic of ChinaPeking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People’s Republic of ChinaPeking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People’s Republic of ChinaPeking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People’s Republic of ChinaPeking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People’s Republic of ChinaConfirmative diagnosis of SARS-CoV-2 infections has been challenged due to unsatisfactory positive rate of molecular assays. Here we identified a family cluster of SARS-CoV-2 infections, with five of six family members were SARS-CoV-2-specific immunoglobin serology testing positive, while molecular assays only detected two of this five patients even repeated twice. We comprehensively analyzed this familial cluster of cases based on the clinical characteristics, chest CT images, SARS-CoV-2 molecular detection results, and serology testing results. At last, two patients were diagnosed with COVID-19, two were suspected of COVID-19, and two were considered close contacts. Our results emphasized the significance of serology testing to assist timely diagnosis of SARS-CoV-2 infections, especially for COVID-19 close contacts screening.https://www.tandfonline.com/doi/10.1080/22221751.2020.1752610
spellingShingle Yan Xu
Meng Xiao
Xinchao Liu
Shengyong Xu
Tiekuan Du
Jun Xu
Qiwen Yang
Yingchun Xu
Yang Han
Taisheng Li
Huadong Zhu
Mengzhao Wang
Significance of serology testing to assist timely diagnosis of SARS-CoV-2 infections: implication from a family cluster
Emerging Microbes and Infections
title Significance of serology testing to assist timely diagnosis of SARS-CoV-2 infections: implication from a family cluster
title_full Significance of serology testing to assist timely diagnosis of SARS-CoV-2 infections: implication from a family cluster
title_fullStr Significance of serology testing to assist timely diagnosis of SARS-CoV-2 infections: implication from a family cluster
title_full_unstemmed Significance of serology testing to assist timely diagnosis of SARS-CoV-2 infections: implication from a family cluster
title_short Significance of serology testing to assist timely diagnosis of SARS-CoV-2 infections: implication from a family cluster
title_sort significance of serology testing to assist timely diagnosis of sars cov 2 infections implication from a family cluster
url https://www.tandfonline.com/doi/10.1080/22221751.2020.1752610
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