Abstract Background Coronavirus disease 2019 (COVID-19) has evolved into a worldwide
pandemic, and has been found to be closely associated with mental and neurological …

Abstract Background and Aims Older people have higher rates of comorbidities and may
experience more severe inflammatory responses; therefore, are at higher risk of death …

Objective: To study the differences in clinical characteristics, risk factors and complications
across age-groups among COVID-19 inpatients. Methods: In this population-based …

Background Whilst people of all ages are affected in some way by COVID-19 virus, older
people are at a high mortality risk. This study aimed to systematically review the numerous …

Background People with neurodegenerative disease and mild cognitive impairment (MCI)
may have an elevated risk of acquiring severe acute respiratory syndrome coronavirus 2 …

A avaliação do impacto da vacinação contra a COVID-19 em idosos é escassa, sobretudo
em um cenário com predomínio da variante Gama. O objetivo deste estudo foi avaliar a …

The aim of this work was to synthesize new bis hydrazone derived from benzil in good yield,
namely:(1Z, 2Z)-1, 2-bis (3-Chlorophenyl Hydrazino) Benzil, encoded by 3-Cl BHB. The …

The COVID-19 pandemic strongly impacts the whole world in various dimensions (Wang,
2020), and studies have shown the high mortality risk of older patients with COVID-19 …

Background Patients' race and ethnicity may play a role in mortality from Covid-19. Studies
in China, the US, and Europe have been conducted on the predictors of Covid-19 mortality …

(1) Background: The aim of our study was to identify specific risk factors for fatal outcome in
critically ill COVID-19 patients.(2) Methods: Our data set consisted of 840 patients enclosed …