Older age is associated with sustained detection of SARS-CoV-2 in nasopharyngeal swab samples [article]

Takeshi Hattori, Masaru Amishima, Daisuke Morinaga, Keisuke Kamada, Sho Nakakubo, Yu Yamashita, Yasuo Shichinohe, Shinichi Fujisawa, Mutsumi Nishida, Yasuyuki Nasuhara, Takanori Teshima, Satoshi Konno
2020 medRxiv   pre-print
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.
doi:10.1101/2020.05.28.20115378 fatcat:4cimn452zzbilirxhop7vaw2va