Harvard Heart Letter

Lower your heart attack and stroke risk with a flu shot

A flu shot may lower the risk of having a heart attack, a stroke, heart failure, or another major cardiac event—including death—by about a third over the following year. A flu shot may be even more beneficial for people who have recently suffered a heart attack. Experts recommend a flu shot for everyone 6 months of age or older. It’s best to get the vaccine in the fall, but January is not too late because flu season usually peaks in February. For those over 65, a high-dose vaccine is available, but it hasn’t been proven to fend off the flu better than the regular vaccine. 
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