Background The characteristics, significance and potential cause of positive SARS-CoV-2
diagnoses in recovered coronavirus disease 2019 (COVID-19) patients post discharge (re …

Many studies have shown that re-positive tests for SARS-CoV-2 by RT-PCR in recovered
COVID-19 patients are very common. We aim to conduct this review to summarize the …

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), a novel coronavirus that
causes Coronavirus Disease 2019 (COVID-19)(Yang and Wang, 2020), has spread to more …

Recently, the recurrence of positive SARS-CoV-2 viral RNA in recovered COVID-19 patients
is receiving more attention. Herein we report a cohort study on the follow-up of 182 …

Background Some COVID-19 cases test positive again for SARS-CoV-2 RNA following
negative test results and discharge, raising questions about the meaning of virus detection …

Managing recovered COVID-19 patients with recurrent-positive SARS-CoV-2 RNA test
results is challenging. We performed a population-based observational study to characterize …

Abstract Background Coronavirus disease 2019 (COVID‐19) is a pandemic that has rapidly
spread worldwide. Increasingly, confirmed patients being discharged according to the …

Background There is a paucity of knowledge on the long-term outcome in patients
diagnosed with COVID-19. We describe a cohort of patients with a constellation of symptoms …

The phenomenon of COVID-19 patients tested positive for SARS-CoV-2 after discharge
(redetectable as positive, RP) emerged globally. The data of incidence rate and risk factors …

Factors associated with negative conversion of SARS-CoV-2 RNA in hospitalized patients
have not yet been systematically determined. We conducted a retrospective cohort study of …