Background A growing number of long COVID cases after infection have been reported. By
definition, long COVID is the condition whereby affected individuals do not recover for …

Objectives To describe the clinical characteristics, laboratory results, imaging findings, and
in-hospital outcomes of COVID-19 patients admitted to Brazilian hospitals. Methods A cohort …

The severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) is an emergent
infectious pathogen causing an acute respiratory disease called corona virus disease 2019 …

Introduction The vaccine distribution for the COVID-19 is a multicriteria decision-making
(MCDM) problem based on three issues, namely, identification of different distribution …

The novel severe acute respiratory syndrome coronavirus (COVID-19) has hit older adults
harder due to a combination of age-related immunological and metabolic alterations. The …

Objectives The majority of available scores to assess mortality risk of coronavirus disease
2019 (COVID-19) patients in the emergency department have high risk of bias. Therefore …

Background A modified scoring system based on the RDW, AGE, SOFA, and APACHE II
score (RAAS score) was composed to investigated the short-, medium-, and long-term high …

Introduction In coronavirus disease (COVID-19), inflammation takes center stage, with a
cascade of cytokines released, contributing to both inflammation and lung damage. The …

In recent years, the elderly has become a rapidly growing proportion of the world's
population as life expectancy is extending. Immunosenescence and inflammaging …

COVID-19 infection is associated with elevated oxidative stress, systemic hyper-
inflammatory responses, endothelial dysfunction, and red blood cell membrane …