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Improved molecular diagnosis of COVID-19 by the novel, highly sensitive and specific COVID-19-RdRp/Hel real-time reverse transcription-polymerase chain reaction assay validated in vitro and with clinical specimens.

Identifieur interne : 000284 ( PubMed/Curation ); précédent : 000283; suivant : 000285

Improved molecular diagnosis of COVID-19 by the novel, highly sensitive and specific COVID-19-RdRp/Hel real-time reverse transcription-polymerase chain reaction assay validated in vitro and with clinical specimens.

Auteurs : Jasper Fuk-Woo Chan [République populaire de Chine] ; Cyril Chik-Yan Yip [République populaire de Chine] ; Kelvin Kai-Wang To [République populaire de Chine] ; Tommy Hing-Cheung Tang [République populaire de Chine] ; Sally Cheuk-Ying Wong [République populaire de Chine] ; Kit-Hang Leung [République populaire de Chine] ; Agnes Yim-Fong Fung [République populaire de Chine] ; Anthony Chin-Ki Ng [République populaire de Chine] ; Zijiao Zou [République populaire de Chine] ; Hoi-Wah Tsoi [République populaire de Chine] ; Garnet Kwan-Yue Choi [République populaire de Chine] ; Anthony Raymond Tam [République populaire de Chine] ; Vincent Chi-Chung Cheng [République populaire de Chine] ; Kwok-Hung Chan [République populaire de Chine] ; Owen Tak-Yin Tsang [République populaire de Chine] ; Kwok-Yung Yuen [République populaire de Chine]

Source :

RBID : pubmed:32132196

Abstract

On 31st December 2019, the World Health Organization was informed of a cluster of cases of pneumonia of unknown etiology in Wuhan, China. Subsequent investigations identified a novel coronavirus, now named as severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), from the affected patients. Highly sensitive and specific laboratory diagnostics are important for controlling the rapidly evolving SARS-CoV-2-associated Coronavirus Disease 2019 (COVID-19) epidemic. In this study, we developed and compared the performance of three novel real-time RT-PCR assays targeting the RNA-dependent RNA polymerase (RdRp)/helicase (Hel), spike (S), and nucleocapsid (N) genes of SARS-CoV-2 with that of the reported RdRp-P2 assay which is used in >30 European laboratories. Among the three novel assays, the COVID-19-RdRp/Hel assay had the lowest limit of detection in vitro (1.8 TCID50/ml with genomic RNA and 11.2 RNA copies/reaction with in vitro RNA transcripts). Among 273 specimens from 15 patients with laboratory-confirmed COVID-19 in Hong Kong, 77 (28.2%) were positive by both the COVID-19-RdRp/Hel and RdRp-P2 assays. The COVID-19-RdRp/Hel assay was positive for an additional 42 RdRd-P2-negative specimens [119/273 (43.6%) vs 77/273 (28.2%), P<0.001], including 29/120 (24.2%) respiratory tract specimens and 13/153 (8.5%) non-respiratory tract specimens. The mean viral load of these specimens was 3.21×104 RNA copies/ml (range, 2.21×102 to 4.71×105 RNA copies/ml). The COVID-19-RdRp/Hel assay did not cross-react with other human-pathogenic coronaviruses and respiratory pathogens in cell culture and clinical specimens, whereas the RdRp-P2 assay cross-reacted with SARS-CoV in cell culture. The highly sensitive and specific COVID-19-RdRp/Hel assay may help to improve the laboratory diagnosis of COVID-19.

DOI: 10.1128/JCM.00310-20
PubMed: 32132196

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Le document en format XML

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<name sortKey="Fung, Agnes Yim Fong" sort="Fung, Agnes Yim Fong" uniqKey="Fung A" first="Agnes Yim-Fong" last="Fung">Agnes Yim-Fong Fung</name>
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<name sortKey="Choi, Garnet Kwan Yue" sort="Choi, Garnet Kwan Yue" uniqKey="Choi G" first="Garnet Kwan-Yue" last="Choi">Garnet Kwan-Yue Choi</name>
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<name sortKey="Tam, Anthony Raymond" sort="Tam, Anthony Raymond" uniqKey="Tam A" first="Anthony Raymond" last="Tam">Anthony Raymond Tam</name>
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<title xml:lang="en">Improved molecular diagnosis of COVID-19 by the novel, highly sensitive and specific COVID-19-RdRp/Hel real-time reverse transcription-polymerase chain reaction assay validated
<i>in vitro</i>
and with clinical specimens.</title>
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<name sortKey="Chan, Jasper Fuk Woo" sort="Chan, Jasper Fuk Woo" uniqKey="Chan J" first="Jasper Fuk-Woo" last="Chan">Jasper Fuk-Woo Chan</name>
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<nlm:affiliation>State Key Laboratory of Emerging Infectious Diseases, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, China.</nlm:affiliation>
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<name sortKey="To, Kelvin Kai Wang" sort="To, Kelvin Kai Wang" uniqKey="To K" first="Kelvin Kai-Wang" last="To">Kelvin Kai-Wang To</name>
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<nlm:affiliation>State Key Laboratory of Emerging Infectious Diseases, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, China.</nlm:affiliation>
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<name sortKey="Tang, Tommy Hing Cheung" sort="Tang, Tommy Hing Cheung" uniqKey="Tang T" first="Tommy Hing-Cheung" last="Tang">Tommy Hing-Cheung Tang</name>
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<nlm:affiliation>Department of Medicine, Queen Elizabeth Hospital, Hong Kong Special Administrative Region, China.</nlm:affiliation>
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<name sortKey="Wong, Sally Cheuk Ying" sort="Wong, Sally Cheuk Ying" uniqKey="Wong S" first="Sally Cheuk-Ying" last="Wong">Sally Cheuk-Ying Wong</name>
<affiliation wicri:level="1">
<nlm:affiliation>Department of Pathology, Queen Elizabeth Hospital, Hong Kong Special Administrative Region, China.</nlm:affiliation>
<country xml:lang="fr">République populaire de Chine</country>
<wicri:regionArea>Department of Pathology, Queen Elizabeth Hospital, Hong Kong Special Administrative Region</wicri:regionArea>
</affiliation>
</author>
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<name sortKey="Leung, Kit Hang" sort="Leung, Kit Hang" uniqKey="Leung K" first="Kit-Hang" last="Leung">Kit-Hang Leung</name>
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<nlm:affiliation>Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, China.</nlm:affiliation>
<country xml:lang="fr">République populaire de Chine</country>
<wicri:regionArea>Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region</wicri:regionArea>
</affiliation>
</author>
<author>
<name sortKey="Fung, Agnes Yim Fong" sort="Fung, Agnes Yim Fong" uniqKey="Fung A" first="Agnes Yim-Fong" last="Fung">Agnes Yim-Fong Fung</name>
<affiliation wicri:level="1">
<nlm:affiliation>Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, China.</nlm:affiliation>
<country xml:lang="fr">République populaire de Chine</country>
<wicri:regionArea>Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region</wicri:regionArea>
</affiliation>
</author>
<author>
<name sortKey="Ng, Anthony Chin Ki" sort="Ng, Anthony Chin Ki" uniqKey="Ng A" first="Anthony Chin-Ki" last="Ng">Anthony Chin-Ki Ng</name>
<affiliation wicri:level="1">
<nlm:affiliation>Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, China.</nlm:affiliation>
<country xml:lang="fr">République populaire de Chine</country>
<wicri:regionArea>Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region</wicri:regionArea>
</affiliation>
</author>
<author>
<name sortKey="Zou, Zijiao" sort="Zou, Zijiao" uniqKey="Zou Z" first="Zijiao" last="Zou">Zijiao Zou</name>
<affiliation wicri:level="1">
<nlm:affiliation>Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, China.</nlm:affiliation>
<country xml:lang="fr">République populaire de Chine</country>
<wicri:regionArea>Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region</wicri:regionArea>
</affiliation>
</author>
<author>
<name sortKey="Tsoi, Hoi Wah" sort="Tsoi, Hoi Wah" uniqKey="Tsoi H" first="Hoi-Wah" last="Tsoi">Hoi-Wah Tsoi</name>
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<nlm:affiliation>Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, China.</nlm:affiliation>
<country xml:lang="fr">République populaire de Chine</country>
<wicri:regionArea>Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region</wicri:regionArea>
</affiliation>
</author>
<author>
<name sortKey="Choi, Garnet Kwan Yue" sort="Choi, Garnet Kwan Yue" uniqKey="Choi G" first="Garnet Kwan-Yue" last="Choi">Garnet Kwan-Yue Choi</name>
<affiliation wicri:level="1">
<nlm:affiliation>Department of Microbiology, Queen Mary Hospital, Pokfulam, Hong Kong Special Administrative Region, China.</nlm:affiliation>
<country xml:lang="fr">République populaire de Chine</country>
<wicri:regionArea>Department of Microbiology, Queen Mary Hospital, Pokfulam, Hong Kong Special Administrative Region</wicri:regionArea>
</affiliation>
</author>
<author>
<name sortKey="Tam, Anthony Raymond" sort="Tam, Anthony Raymond" uniqKey="Tam A" first="Anthony Raymond" last="Tam">Anthony Raymond Tam</name>
<affiliation wicri:level="1">
<nlm:affiliation>Department of Medicine, Queen Mary Hospital, Hong Kong Special Administrative Region, China.</nlm:affiliation>
<country xml:lang="fr">République populaire de Chine</country>
<wicri:regionArea>Department of Medicine, Queen Mary Hospital, Hong Kong Special Administrative Region</wicri:regionArea>
</affiliation>
</author>
<author>
<name sortKey="Cheng, Vincent Chi Chung" sort="Cheng, Vincent Chi Chung" uniqKey="Cheng V" first="Vincent Chi-Chung" last="Cheng">Vincent Chi-Chung Cheng</name>
<affiliation wicri:level="1">
<nlm:affiliation>Department of Microbiology, Queen Mary Hospital, Pokfulam, Hong Kong Special Administrative Region, China.</nlm:affiliation>
<country xml:lang="fr">République populaire de Chine</country>
<wicri:regionArea>Department of Microbiology, Queen Mary Hospital, Pokfulam, Hong Kong Special Administrative Region</wicri:regionArea>
</affiliation>
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<author>
<name sortKey="Chan, Kwok Hung" sort="Chan, Kwok Hung" uniqKey="Chan K" first="Kwok-Hung" last="Chan">Kwok-Hung Chan</name>
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<nlm:affiliation>State Key Laboratory of Emerging Infectious Diseases, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, China.</nlm:affiliation>
<country xml:lang="fr">République populaire de Chine</country>
<wicri:regionArea>State Key Laboratory of Emerging Infectious Diseases, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region</wicri:regionArea>
</affiliation>
</author>
<author>
<name sortKey="Tsang, Owen Tak Yin" sort="Tsang, Owen Tak Yin" uniqKey="Tsang O" first="Owen Tak-Yin" last="Tsang">Owen Tak-Yin Tsang</name>
<affiliation wicri:level="1">
<nlm:affiliation>Department of Medicine and Geriatrics, Princess Margaret Hospital, Hong Kong Special Administrative Region, China.</nlm:affiliation>
<country xml:lang="fr">République populaire de Chine</country>
<wicri:regionArea>Department of Medicine and Geriatrics, Princess Margaret Hospital, Hong Kong Special Administrative Region</wicri:regionArea>
</affiliation>
</author>
<author>
<name sortKey="Yuen, Kwok Yung" sort="Yuen, Kwok Yung" uniqKey="Yuen K" first="Kwok-Yung" last="Yuen">Kwok-Yung Yuen</name>
<affiliation wicri:level="1">
<nlm:affiliation>Department of Clinical Microbiology and Infection, The University of Hong Kong-Shenzhen Hospital, Shenzhen, Guangdong Province, China. kyyuen@hku.hk.</nlm:affiliation>
<country xml:lang="fr">République populaire de Chine</country>
<wicri:regionArea>Department of Clinical Microbiology and Infection, The University of Hong Kong-Shenzhen Hospital, Shenzhen, Guangdong Province</wicri:regionArea>
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<title level="j">Journal of clinical microbiology</title>
<idno type="eISSN">1098-660X</idno>
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<date when="2020" type="published">2020</date>
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<front>
<div type="abstract" xml:lang="en">On 31
<sup>st</sup>
December 2019, the World Health Organization was informed of a cluster of cases of pneumonia of unknown etiology in Wuhan, China. Subsequent investigations identified a novel coronavirus, now named as severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), from the affected patients. Highly sensitive and specific laboratory diagnostics are important for controlling the rapidly evolving SARS-CoV-2-associated Coronavirus Disease 2019 (COVID-19) epidemic. In this study, we developed and compared the performance of three novel real-time RT-PCR assays targeting the RNA-dependent RNA polymerase (RdRp)/helicase (Hel), spike (S), and nucleocapsid (N) genes of SARS-CoV-2 with that of the reported RdRp-P2 assay which is used in >30 European laboratories. Among the three novel assays, the COVID-19-RdRp/Hel assay had the lowest limit of detection
<i>in vitro</i>
(1.8 TCID
<sub>50</sub>
/ml with genomic RNA and 11.2 RNA copies/reaction with
<i>in vitro</i>
RNA transcripts). Among 273 specimens from 15 patients with laboratory-confirmed COVID-19 in Hong Kong, 77 (28.2%) were positive by both the COVID-19-RdRp/Hel and RdRp-P2 assays. The COVID-19-RdRp/Hel assay was positive for an additional 42 RdRd-P2-negative specimens [119/273 (43.6%) vs 77/273 (28.2%), P<0.001], including 29/120 (24.2%) respiratory tract specimens and 13/153 (8.5%) non-respiratory tract specimens. The mean viral load of these specimens was 3.21×10
<sup>4</sup>
RNA copies/ml (range, 2.21×10
<sup>2</sup>
to 4.71×10
<sup>5</sup>
RNA copies/ml). The COVID-19-RdRp/Hel assay did not cross-react with other human-pathogenic coronaviruses and respiratory pathogens in cell culture and clinical specimens, whereas the RdRp-P2 assay cross-reacted with SARS-CoV in cell culture. The highly sensitive and specific COVID-19-RdRp/Hel assay may help to improve the laboratory diagnosis of COVID-19.</div>
</front>
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<Year>2020</Year>
<Month>03</Month>
<Day>05</Day>
</DateRevised>
<Article PubModel="Print-Electronic">
<Journal>
<ISSN IssnType="Electronic">1098-660X</ISSN>
<JournalIssue CitedMedium="Internet">
<PubDate>
<Year>2020</Year>
<Month>Mar</Month>
<Day>04</Day>
</PubDate>
</JournalIssue>
<Title>Journal of clinical microbiology</Title>
<ISOAbbreviation>J. Clin. Microbiol.</ISOAbbreviation>
</Journal>
<ArticleTitle>Improved molecular diagnosis of COVID-19 by the novel, highly sensitive and specific COVID-19-RdRp/Hel real-time reverse transcription-polymerase chain reaction assay validated
<i>in vitro</i>
and with clinical specimens.</ArticleTitle>
<ELocationID EIdType="pii" ValidYN="Y">JCM.00310-20</ELocationID>
<ELocationID EIdType="doi" ValidYN="Y">10.1128/JCM.00310-20</ELocationID>
<Abstract>
<AbstractText>On 31
<sup>st</sup>
December 2019, the World Health Organization was informed of a cluster of cases of pneumonia of unknown etiology in Wuhan, China. Subsequent investigations identified a novel coronavirus, now named as severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), from the affected patients. Highly sensitive and specific laboratory diagnostics are important for controlling the rapidly evolving SARS-CoV-2-associated Coronavirus Disease 2019 (COVID-19) epidemic. In this study, we developed and compared the performance of three novel real-time RT-PCR assays targeting the RNA-dependent RNA polymerase (RdRp)/helicase (Hel), spike (S), and nucleocapsid (N) genes of SARS-CoV-2 with that of the reported RdRp-P2 assay which is used in >30 European laboratories. Among the three novel assays, the COVID-19-RdRp/Hel assay had the lowest limit of detection
<i>in vitro</i>
(1.8 TCID
<sub>50</sub>
/ml with genomic RNA and 11.2 RNA copies/reaction with
<i>in vitro</i>
RNA transcripts). Among 273 specimens from 15 patients with laboratory-confirmed COVID-19 in Hong Kong, 77 (28.2%) were positive by both the COVID-19-RdRp/Hel and RdRp-P2 assays. The COVID-19-RdRp/Hel assay was positive for an additional 42 RdRd-P2-negative specimens [119/273 (43.6%) vs 77/273 (28.2%), P<0.001], including 29/120 (24.2%) respiratory tract specimens and 13/153 (8.5%) non-respiratory tract specimens. The mean viral load of these specimens was 3.21×10
<sup>4</sup>
RNA copies/ml (range, 2.21×10
<sup>2</sup>
to 4.71×10
<sup>5</sup>
RNA copies/ml). The COVID-19-RdRp/Hel assay did not cross-react with other human-pathogenic coronaviruses and respiratory pathogens in cell culture and clinical specimens, whereas the RdRp-P2 assay cross-reacted with SARS-CoV in cell culture. The highly sensitive and specific COVID-19-RdRp/Hel assay may help to improve the laboratory diagnosis of COVID-19.</AbstractText>
<CopyrightInformation>Copyright © 2020 American Society for Microbiology.</CopyrightInformation>
</Abstract>
<AuthorList CompleteYN="Y">
<Author ValidYN="Y">
<LastName>Chan</LastName>
<ForeName>Jasper Fuk-Woo</ForeName>
<Initials>JF</Initials>
<AffiliationInfo>
<Affiliation>State Key Laboratory of Emerging Infectious Diseases, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, China.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Department of Clinical Microbiology and Infection, The University of Hong Kong-Shenzhen Hospital, Shenzhen, Guangdong Province, China.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, China.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Carol Yu Centre for Infection, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, China.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Hainan Medical University-The University of Hong Kong Joint Laboratory of Tropical Infectious Diseases, Hainan Medical University, Haikou, Hainan, and The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Yip</LastName>
<ForeName>Cyril Chik-Yan</ForeName>
<Initials>CC</Initials>
<AffiliationInfo>
<Affiliation>Department of Microbiology, Queen Mary Hospital, Pokfulam, Hong Kong Special Administrative Region, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>To</LastName>
<ForeName>Kelvin Kai-Wang</ForeName>
<Initials>KK</Initials>
<AffiliationInfo>
<Affiliation>State Key Laboratory of Emerging Infectious Diseases, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, China.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Department of Clinical Microbiology and Infection, The University of Hong Kong-Shenzhen Hospital, Shenzhen, Guangdong Province, China.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, China.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Carol Yu Centre for Infection, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Tang</LastName>
<ForeName>Tommy Hing-Cheung</ForeName>
<Initials>TH</Initials>
<AffiliationInfo>
<Affiliation>Department of Medicine, Queen Elizabeth Hospital, Hong Kong Special Administrative Region, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Wong</LastName>
<ForeName>Sally Cheuk-Ying</ForeName>
<Initials>SC</Initials>
<AffiliationInfo>
<Affiliation>Department of Pathology, Queen Elizabeth Hospital, Hong Kong Special Administrative Region, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Leung</LastName>
<ForeName>Kit-Hang</ForeName>
<Initials>KH</Initials>
<AffiliationInfo>
<Affiliation>Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Fung</LastName>
<ForeName>Agnes Yim-Fong</ForeName>
<Initials>AY</Initials>
<AffiliationInfo>
<Affiliation>Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Ng</LastName>
<ForeName>Anthony Chin-Ki</ForeName>
<Initials>AC</Initials>
<AffiliationInfo>
<Affiliation>Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Zou</LastName>
<ForeName>Zijiao</ForeName>
<Initials>Z</Initials>
<AffiliationInfo>
<Affiliation>Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Tsoi</LastName>
<ForeName>Hoi-Wah</ForeName>
<Initials>HW</Initials>
<AffiliationInfo>
<Affiliation>Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Choi</LastName>
<ForeName>Garnet Kwan-Yue</ForeName>
<Initials>GK</Initials>
<AffiliationInfo>
<Affiliation>Department of Microbiology, Queen Mary Hospital, Pokfulam, Hong Kong Special Administrative Region, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Tam</LastName>
<ForeName>Anthony Raymond</ForeName>
<Initials>AR</Initials>
<AffiliationInfo>
<Affiliation>Department of Medicine, Queen Mary Hospital, Hong Kong Special Administrative Region, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Cheng</LastName>
<ForeName>Vincent Chi-Chung</ForeName>
<Initials>VC</Initials>
<AffiliationInfo>
<Affiliation>Department of Microbiology, Queen Mary Hospital, Pokfulam, Hong Kong Special Administrative Region, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Chan</LastName>
<ForeName>Kwok-Hung</ForeName>
<Initials>KH</Initials>
<AffiliationInfo>
<Affiliation>State Key Laboratory of Emerging Infectious Diseases, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, China.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, China.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Carol Yu Centre for Infection, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Tsang</LastName>
<ForeName>Owen Tak-Yin</ForeName>
<Initials>OT</Initials>
<AffiliationInfo>
<Affiliation>Department of Medicine and Geriatrics, Princess Margaret Hospital, Hong Kong Special Administrative Region, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Yuen</LastName>
<ForeName>Kwok-Yung</ForeName>
<Initials>KY</Initials>
<AffiliationInfo>
<Affiliation>Department of Clinical Microbiology and Infection, The University of Hong Kong-Shenzhen Hospital, Shenzhen, Guangdong Province, China. kyyuen@hku.hk.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, China.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Carol Yu Centre for Infection, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, China.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Hainan Medical University-The University of Hong Kong Joint Laboratory of Tropical Infectious Diseases, Hainan Medical University, Haikou, Hainan, and The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, China.</Affiliation>
</AffiliationInfo>
</Author>
</AuthorList>
<Language>eng</Language>
<PublicationTypeList>
<PublicationType UI="D016428">Journal Article</PublicationType>
</PublicationTypeList>
<ArticleDate DateType="Electronic">
<Year>2020</Year>
<Month>03</Month>
<Day>04</Day>
</ArticleDate>
</Article>
<MedlineJournalInfo>
<Country>United States</Country>
<MedlineTA>J Clin Microbiol</MedlineTA>
<NlmUniqueID>7505564</NlmUniqueID>
<ISSNLinking>0095-1137</ISSNLinking>
</MedlineJournalInfo>
<CitationSubset>IM</CitationSubset>
</MedlineCitation>
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<Month>3</Month>
<Day>6</Day>
<Hour>6</Hour>
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<PublicationStatus>aheadofprint</PublicationStatus>
<ArticleIdList>
<ArticleId IdType="pubmed">32132196</ArticleId>
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<ArticleId IdType="doi">10.1128/JCM.00310-20</ArticleId>
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