Background The effects of convalescent plasma (CP) therapy in hospitalised patients with
coronavirus disease 2019 (COVID-19) remain uncertain. This study investigates the effect of …

Background SARS‐CoV‐2 has triggered a pandemic that is now claiming many lives.
Several studies have investigated cellular immune responses in COVID‐19‐infected …

BACKGROUND Results of many randomized trials on COVID-19 convalescent plasma
(CCP) have been reported, but information on long-term outcome after CCP treatment is …

To the Editor: Since the emergence of Coronavirus Disease 2019 (COVID-19) caused by the
severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in December 2019, the …

Recently, the novel coronavirus disease (COVID-19) has broken out worldwide, 1 with rapid
increase of infected patients. COVID-19 dominantly leads to pneumonia. 2 Among these …

Coronavirus disease 2019 (COVID-19) is a respiratory infectious disease caused by severe
acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Droplets and contacts serve as …

Abstract The 2019 coronavirus disease (COVID-19) outbreak caused by the SARS-CoV-2
virus is an ongoing global health emergency. However, the virus' pathogenesis remains …

Background COVID-19 is threating human health worldwide. We aim to investigate the
dynamic changes of immune status in COVID-19 patients with clinical evolution. Methods …

A sudden outbreak of COVID-19 caused by a novel coronavirus, SARS-CoV-2, in Wuhan,
China in December 2019 quickly grew into a global pandemic, putting at risk not only the …

Summary Coronavirus disease 2019 (COVID‐19) is a clinical syndrome caused by the
severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) virus. Patients can be …