Global trial demonstrates some benefits of flu shots for heart failure patients: Study did not meet its primary endpoints, but rates of cardiovascular events were significantly lower during peak flu season

People with heart failure who received an annual flu shot had lower rates of pneumonia and hospitalization on a year-round basis and a reduction in major cardiovascular events during peak flu season, in a new study. However, the trial did not meet its primary endpoint as patients who received the flu vaccine showed no significant reduction in rates of major cardiovascular events on a year-round basis during the study’s three-year follow-up period.

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