Background Patients with chronic obstructive pulmonary disease (COPD) are highly
susceptible from respiratory exacerbations from viral respiratory tract infections. However, it …

Objectives: The objective of this systematic review and meta-analysis was to investigate
COVID-19 mortality and severity among patients with pre-existing COPD. Methods: We …

Chronic obstructive pulmonary disease and COVID-19: interrel... : Current Opinion in
Pulmonary Medicine Chronic obstructive pulmonary disease and COVID-19 …

Background Coronavirus disease 2019 (COVID-19) has been a global pandemic disease,
with more than 4 million cases and nearly 300,000 deaths. Little is known about COVID-19 …

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 …

In barely nine months, the pandemic known as COVID‐19 has spread over 200 countries,
affecting more than 22 million people and causing over than 786 000 deaths. Elderly people …

Underlying chronic respiratory disease may be associated with the severity of coronavirus
disease 2019 (COVID-19). This study investigated the impact of chronic obstructive …

Results As of February 16, 2021 a total of 3,453,825 patients were part of the N3C database.
Of those, 387,008 patients tested positive for COVID-19 by PCR and 7549 had a diagnosis …

Nearly 16 million Americans, and more than 250 million people around the world, live with
chronic obstructive pulmonary disease (COPD) and millions more remain undiagnosed. The …

OBJECTIVE: To investigate the association between chronic obstructive pulmonary disease
(COPD) and smoking with outcome in patients with COVID-19. METHODS: A systematic …