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

Journal of Infection（2021）

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摘要

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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关键词

Covid-19,Nasopharyngeal swab samples,Pcr,Older age

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