Duration and key determinants of infectious virus shedding in hospitalized patients with coronavirus disease-2019 (COVID-19).

Duration and key determinants of infectious virus shedding in hospitalized patients with coronavirus disease-2019 (COVID-19).
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DOI:
10.1038/s41467-020-20568-4
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发表时间:
2021-01-11
影响因子:
16.6
通讯作者:
van der Eijk AA
van der Eijk AA
中科院分区:
综合性期刊1区
文献类型:
--
作者:
van Kampen JJA;van de Vijver DAMC;Fraaij PLA;Haagmans BL;Lamers MM;Okba N;van den Akker JPC;Endeman H;Gommers DAMPJ;Cornelissen JJ;Hoek RAS;van der Eerden MM;Hesselink DA;Metselaar HJ;Verbon A;de Steenwinkel JEM;Aron GI;van Gorp ECM;van Boheemen S;Voermans JC;Boucher CAB;Molenkamp R;Koopmans MPG;Geurtsvankessel C;van der Eijk AA

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Key questions in COVID-19 are the duration and determinants of infectious virus shedding. Here, we report that infectious virus shedding is detected by virus cultures in 23 of the 129 patients (17.8%) hospitalized with COVID-19. The median duration of shedding infectious virus is 8 days post onset of symptoms (IQR 5–11) and drops below 5% after 15.2 days post onset of symptoms (95% confidence interval (CI) 13.4–17.2). Multivariate analyses identify viral loads above 7 log10 RNA copies/mL (odds ratio [OR] of 14.7 (CI 3.57-58.1; p < 0.001) as independently associated with isolation of infectious SARS-CoV-2 from the respiratory tract. A serum neutralizing antibody titre of at least 1:20 (OR of 0.01 (CI 0.003-0.08; p < 0.001) is independently associated with non-infectious SARS-CoV-2. We conclude that quantitative viral RNA load assays and serological assays could be used in test-based strategies to discontinue or de-escalate infection prevention and control precautions. Duration of infectious SARS-CoV-2 shedding is an important measure for improved disease control. Here, the authors use virus cultures of respiratory tract samples from COVID-19 patients and observe a median shedding duration of 8 days and a drop below 5% after 15,2 days post onset of symptoms.
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