authors Ioannou, George N Fan, Vincent S Locke, Emily Green, Pamela Berry, Kristin Ann M. O'Hare Shah, Javeed A Crothers, Kristina Eastment, McKenna C Dominitz, Jason A
has subject area Aged Betacoronavirus COVID-19 Cause of Death Cohort Studies Comorbidity Coronavirus Coronavirus Infections Dyspnea Female Fever Hospitalization Humans Longitudinal Studies Male Middle Aged Pandemics Pneumonia, Viral Proportional Hazards Models Respiration, Artificial Risk Factors SARS-CoV-2 Severe Acute Respiratory Syndrome Severity of Illness Index United States United States Department of Veterans Affairs Veterans