Background Seasonal respiratory viral infections are associated with exacerbations and
morbidity among patients with COPD. The real‐world clinical outcomes associated with …

Introduction Both stable chronic obstructive pulmonary disease (COPD) and acute
exacerbations represent leading causes of death, disability and healthcare expenditure …

Background Respiratory syncytial virus (RSV) is an important cause of serious respiratory
illness in older adults. Comparison of RSV and influenza infection in hospitalized older …

A longitudinal cohort study of older adults with chronic obstructive pulmonary disease
(COPD) who were stratified by FEV1 at enrollment was done to define the etiology …

Background Respiratory complications often accompany influenza in patients with chronic
obstructive pulmonary disease (COPD). In this retrospective study, we quantified the impact …

Exacerbations of chronic obstructive pulmonary disease (COPD) lead to substantial
morbidity and mortality. Viral infections could be an important cause of acute exacerbations …

Chronic obstructive pulmonary disease (COPD) is the second most prevalent chronic
respiratory disease. Although cigarette smoking is declining as a major risk factor, its …

Patients with chronic obstructive pulmonary disease (COPD) and elderly individuals are
prone to the development of significant lower respiratory tract symptoms from colds caused …

Background Influenza and respiratory syncytial virus (RSV) are associated with substantial
morbidity and mortality in the United States. We assessed risk factors for severe disease and …

Background The individual and combined contribution of viral prevalence in the community
to Emergency Department (ED) visits and hospitalizations with respiratory tract infections …