Background Coronavirus disease 2019 (COVID-19) is an evolving infectious disease that
dramatically spread all over the world in the early part of 2020. No studies have yet …

The mortality and severity in COVID-19 is increased in patients with comorbidities. The aim
of this study was to evaluate the severity and mortality in COVID-19 patients with underlying …

Background Reports have suggested a reduction in exacerbations of chronic obstructive
pulmonary disease (COPD) during the coronavirus disease 2019 (COVID-19) pandemic …

Background: The relationship between HIV (human immunodeficiency virus) and COVID-19
clinical outcome is uncertain, with conflicting data and hypotheses. We aimed to assess the …

Background As the global outbreak of COVID-19 continues to ravage the world, it is
important to understand how frontline clinicians manage ventilatory support and the various …

(1) Introduction: Around a million people are reported to die by suicide every year, and due
to the stigma associated with the nature of the death, this figure is usually assumed to be an …

As evidence continues to emerge, our understanding of the relationship between smoking
and COVID-19 prognosis is steadily growing. An early outlook from World Health …

Background There is a concerning lack of representative data on chronic obstructive
pulmonary disease (COPD) awareness in Saudi Arabia, and a significant proportion of the …

Background: Severe COVID-19 is associated with hypoxemia and acute respiratory distress
syndrome (ARDS), which may predispose multiorgan failure and death. Inhaled nitric oxide …

The result of the movement restrictions during the COVID-19 pandemic was an impromptu
and abrupt switch from in-person to online teaching. Most focus has been on the perception …