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            <name>Title</name>
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                <text>Coronavirus</text>
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                <text>Dominio científico: Coronavirus</text>
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              <text>Identification of RT-PCR-Negative Asymptomatic COVID-19 Patients via Serological Testing</text>
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              <text>Dan Zhou, Ning ZHOU, Xinyi Liu, Pa Wu, Miao Dai, Jin-Ru Wu, Guangqian Qiu, Qingting Yang, Zhonghui Pan</text>
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              <text>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.</text>
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              <text>2020</text>
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              <text>reverse transcription polymerase chain reaction, Asymptomatic, serological test, SARS-CoV-2, COVID-19</text>
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              <text>DOI: 10.3389/fpubh.2020.00267</text>
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              <text>Frontiers in Public Health</text>
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          <name>Publisher</name>
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              <text>Frontiers Media S.A.</text>
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          <name>Coverage</name>
          <description>The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant</description>
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              <text>Public aspects of medicine</text>
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