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Older age is associated with sustained detection of SARS-CoV-2 in nasopharyngeal swab samples
Takeshi Hattori; Masaru Amishima; Daisuke Morinaga; Keisuke Kamada; Sho Nakakubo; Yu Yamashita; Yasuo Shichinohe; Shinichi Fujisawa; Mutsumi Nishida; Yasuyuki Nasuhara; Takanori Teshima; Satoshi Konno.
Affiliation
  • Takeshi Hattori; Department of Respiratory Medicine, National Hospital Organization Hokkaido Medical Center
  • Masaru Amishima; Department of Respiratory Medicine, National Hospital Organization Hokkaido Medical Center
  • Daisuke Morinaga; Department of Respiratory Medicine, National Hospital Organization Hokkaido Medical Center
  • Keisuke Kamada; Department of Respiratory Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University
  • Sho Nakakubo; Department of Respiratory Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University
  • Yu Yamashita; Department of Respiratory Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University
  • Yasuo Shichinohe; Department of Emergency and Critical Care Medicine, National Hospital Organization Hokkaido Medical Center
  • Shinichi Fujisawa; Division of Laboratory and Transfusion Medicine, Hokkaido University Hospital
  • Mutsumi Nishida; Division of Laboratory and Transfusion Medicine, Hokkaido University Hospital
  • Yasuyuki Nasuhara; Division of Hospital Safety Management, Hokkaido University Hospital
  • Takanori Teshima; Department of Hematology, Hokkaido University Faculty of medicine
  • Satoshi Konno; Department of Respiratory Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University
Preprint in English | medRxiv | ID: ppmedrxiv-20115378
Journal article
A scientific journal published article is available and is probably based on this preprint. It has been identified through a machine matching algorithm, human confirmation is still pending.
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ABSTRACT
PCR testing of nasopharyngeal swab samples is used for the diagnosis of coronavirus disease 2019 (COVID-19) and for determining timing of discharge. The viral load usually declines at convalescent phase, but sometimes remained positive for a long time even after relief of symptoms. In this study, we identified older age is associated with sustained detection of SARS-CoV-2 in nasopharyngeal swab samples.
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Full text: Available Collection: Preprints Database: medRxiv Language: English Year: 2020 Document type: Preprint
Full text: Available Collection: Preprints Database: medRxiv Language: English Year: 2020 Document type: Preprint
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