Background The proportion of patients infected with SARS-CoV-2 that are prescribed
antibiotics is uncertain, and may contribute to patient harm and global antibiotic resistance …

Various comorbidities represent risk factors for severe coronavirus disease 2019 (COVID‐
19). The impact of smoking on COVID‐19 severity has been previously reported in several …

Background Obesity affects the course of critical illnesses. We aimed to estimate the
association of obesity with the severity and mortality in coronavirus disease 2019 (COVID …

A prior meta-analysis showed that antidepressant use in major depressive disorder was
associated with reduced plasma levels of several pro-inflammatory mediators, which have …

Introduction Progression of COVID-19 to severe disease and death is insufficiently
understood. Objective Summarize the prevalence of risk factors and adverse outcomes and …

Background Recent studies have shown that obesity is associated with the severity of
coronavirus disease (COVID-19). We reviewed clinical studies to clarify the obesity …

The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a respiratory tract
virus that causes Coronavirus disease (COVID-19). The virus originated in Wuhan, China, in …

Background This study applies an umbrella review approach to summarise the global
evidence on the risk of severe COVID-19 outcomes in patients with pre-existing health …

Background Many nutrients have powerful immunomodulatory actions with the potential to
alter susceptibility to coronavirus disease 2019 (COVID-19) infection, progression to …

Background There is mounting evidence related to the association between obesity and
severity of COVID-19. However, the direct relationship of the increase in the severe COVID …