Objectives To summarise the evidence on the detection pattern and viral load of SARS-CoV-
2 over the course of an infection (including any asymptomatic or pre-symptomatic phase) …

Abstract Background Coronavirus disease 2019 (COVID-19) has become a public health
emergency. The widely used reverse transcription–polymerase chain reaction (RT-PCR) …

Objectives To summarise the evidence on the duration of infectiousness of individuals in
whom SARS-CoV-2 ribonucleic acid is detected. Methods A rapid review was undertaken in …

Key questions in COVID-19 are the duration and determinants of infectious virus shedding.
Here, we report that infectious virus shedding is detected by virus cultures in 23 of the 129 …

Background It is necessary to know the viral kinetics and conduct epidemiological
investigations of confirmers to prevent the spread of the new infectious disease COVID-19 to …

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 …

Objectives The aim was to understand persistence of the virus in body fluids the and
immune response of an infected host to severe acute respiratory syndrome coronavirus-2 …

SARS-CoV-2 Viral Load in Upper Respiratory Specimens The authors report results of an
analysis of nasal and throat swabs from 17 patients in Zhuhai, China, who had received a …

Background The temporal relationship between SARS-CoV-2 and antibody production and
clinical progression remained obscure. The aim of this study was to describe the viral …

Purpose SARS-CoV-2 virus dynamics in different hosts and different samples and their
relationship with disease severity have not been clearly revealed. The aim of this study is to …