A review of influenza: implications for the geriatric population.

The influenza virus is a significant cause of morbidity and mortality each year in the United States, and is a major public health problem. Individuals aged 65 years and older comprise a sizeable population subgroup at high risk of infection and subsequent complications. Although influenza may cause substantial morbidity and mortality across the age spectrum, it becomes particularly problematic for those older than 65. This article presents an overview of influenza, with a focus on how the influenza virus has particular implications for the geriatric population.