Patients with underlying medical conditions (UMCs) were more likely to be hospitalized for influenza than those without UMCs, according to a retrospective study across 4 flu seasons published in The Journal of Infectious Diseases. Among 1,403 patients hospitalized with influenza at least once within a season, flu-related hospitalization was highest for patients with congestive heart failure (adjusted rate ratio, 4.2, 95% confidence interval: 3.6–4.9), followed by those with chronic obstructive pulmonary disease (COPD). Multiple UMCs …
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