Persistent positivity and fluctuations of SARS-CoV-2 RNA in clinically-recovered COVID-19 patients

As the COVID-19 pandemic slowly recedes, the number of clinically recovered subjects increases steadily. To minimize the risk of viral transmission in the community, several countries worldwide are currently endorsing a “test-based” strategy for hospital discharge and discontinuation of home-isolation, which requires 2 negative results of RT-PCR for SARS-CoV-2 RNA on nasopharyngeal swabs collected ≥24 h apart.1ECDCEuropean Centre for Disease...