Asymptomatic people with SARS-CoV-2 infection are of great concern as they undermine
control interventions that rely on identifying symptomatic cases. However, current reports of …

ABSTRACT Novel coronavirus disease 2019 (COVID-19), caused by novel coronavirus
SARS-CoV-2, has spread globally since the end of 2019. Asymptomatic carriers are of great …

Abstract Coronavirus Disease 2019 (COVID-19) caused by severe acute respiratory
syndrome coronavirus 2 (SARS-CoV-2) is continuously and rapidly circulating at present …

In a recent study of COVID-19 reported in this journal, 11 of 22 patients were again found
positive by RT PCR test results after 2 or 3 consecutively negative results [1]. Moreover …

Duration of Positive SARS-CoV-2 on RT-PCR and Culture In 21 consecutive patients with
confirmed Covid-19, the median times from symptom onset to negative viral culture and …

Reports of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) reinfection have
raised important questions about the strength and durability of the immune response to …

The duration of viral shedding of SARS-CoV-2 is usually less than 10 days. We experienced
a COVID-19 case with prolonged viral shedding for 2 months. His cell mediated immunity …

As the novel coronavirus disease 2019 (COVID-19) pandemic spreads rapidly across the
globe many unanswered questions about the basic biology and epidemiology of the disease …

Objectives To describe the clinical characteristics of patients in a Fangcang Hospital.
Methods Non-critically ill individuals with positive SARS-CoV-2 RT-PCR tests admitted …

From a total of 71 laboratory-confirmed cases, three presymptomatic patients and 10
patients with entirely asymptomatic infections were identified. In two of the three incubation …