Background: A patient’s infectivity is determined by the presence of the virus in different body
fluids, secretions, and excreta. The persistence and clearance of viral RNA from different …

Rationale: The coronavirus disease (COVID-19) pandemic is now a global health concern.
Objectives: We compared the clinical characteristics, laboratory examinations, computed …

Background The chest CT findings of patients with 2019 Novel Coronavirus (2019-nCoV)
pneumonia have not previously been described in detail. Purpose To investigate the clinical, …

In December 2019, coronavirus disease 2019 (COVID-19), which is caused by the new
coronavirus severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), was identified in …

Objective: To evaluate the efficacy and safety of hydroxychloroquine (HCQ) in the treatment
of patients with common coronavirus disease-19 (COVID-19). Methods: We prospectively …

A weighted-average method for determining uniaxial, true tensile stress vs. strain relation
after necking is presented for strip shaped samples. The method requires identification of a …

Background Studies on the 2019 novel coronavirus disease (COVID-19) have generally
been limited to the description of the epidemiology and initial clinical characteristics. We …

A dysfunctional immune response in coronavirus disease 2019 (COVID-19) patients is a
recurrent theme impacting symptoms and mortality, yet a detailed understanding of pertinent …

Since December 2019, novel coronavirus infected pneumonia emerged in Wuhan city and
rapidly spread throughout China. In severe novel coronavirus pneumonia cases, the number …

Background The COVID-19 pandemic caused by SARS-CoV-2 coronavirus threatens global
public health. Currently, neutralizing antibodies (NAbs) versus this virus are expected to …