AUTHOR=Zhang Ren-zi , Deng Wang , He Jing , Song Yu-yan , Qian Chun-fang , Yu Qian , Wang Dao-xin 

TITLE=Case Report: Recurrence of Positive SARS-CoV-2 Results in Patients Recovered From COVID-19

JOURNAL=Frontiers in Medicine

VOLUME=7

YEAR=2020

URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2020.585485

DOI=10.3389/fmed.2020.585485

ISSN=2296-858X

ABSTRACT=<p><bold>Background:</bold> Coronavirus disease 2019 (COVID-19) is spreading throughout the world. Limited data are available for recurrence of positive severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) results in patients with long duration of COVID-19.</p><p><bold>Methods:</bold> We reported four cases recovered from COVID-19 with recurrence of positive SARS-CoV-2 results during the long-term follow-up.</p><p><bold>Results:</bold> The four patients recovered from COVID-19 showed recurrence of positive SARS-CoV-2 results for more than 120 days with no symptoms and normal chest CT scan.</p><p><bold>Conclusions:</bold> The dynamic surveillance of SARS-CoV-2 by nucleic acid detection and serological assays is important for asymptomatic patients who might be potentially infectious.</p>