Severe acute respiratory syndrome coronavirus 2 (SARS-Cov-2) is the pathogen that causes
coronavirus disease 2019 (COVID-19). As of 25 May 2020, the outbreak of COVID-19 has …

Although COVID-19 presents primarily as a lower respiratory tract infection transmitted via
air droplets, increasing data suggest multiorgan involvement in patients that are infected …

Objective We aimed to describe the associations of age and sex with the risk of COVID-19 in
different severity stages ranging from infection to death. Design Systematic review and meta …

Abstract The coronavirus disease 2019 (COVID-19) pandemic is a scientific, medical, and
social challenge. The complexity of the severe acute respiratory syndrome coronavirus 2 …

Background The aim of this study is to evaluate the impact of diabetes, hypertension,
cardiovascular disease and the use of angiotensin converting enzyme inhibitors/angiotensin …

The SARS-CoV-2 pandemic has resulted in millions of infections, yet the role of host
immune responses in early COVID-19 pathogenesis remains unclear. By investigating 17 …

Objective Risk factors for in-hospital mortality in confirmed COVID-19 patients have been
summarized in numerous meta-analyses, but it is still unclear whether they vary according to …

Introduction The coronavirus pandemic has affected more than 20 million people so far.
Elevated cytokines and suppressed immune responses have been hypothesized to set off a …

A reduced peripheral blood absolute lymphocyte count with an elevated neutrophil count
has been a consistent observation in hospitalized coronavirus disease 2019 (COVID‐19) …

The newly developed COVID-19 vaccines have established a safe profile, yet some
individuals experience a wide range of adverse events. Recently, reactivation of varicella …