Acute cardiovascular events common among adults hospitalized with influenza

In a large population-based study, acute cardiovascular events, especially heart failure and ischemic heart disease, were found to be common among patients hospitalized with influenza. The authors suggest that vaccination is particularly important among those with cardiovascular risk factors. The findings are published in Annals of Internal Medicine.

Annual influenza epidemics in the United States result in 140,000 to 810,000 hospitalizations and 12,000 to 61,000 deaths each year. Although respiratory disease is a hallmark of influenza virus infection, cardiovascular events are also important complications of influenza.

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