The flu can wreak havoc on people with heart disease, boosting heart disease deaths and hospitalizations during flu season. Yet every year, only one-third of people with heart disease get a flu shot. The influenza vaccine is effective about 60% of the time, and in some years, cuts the number of heart attacks and cardiovascular deaths in half. Harvard experts advise protecting yourself with a flu shot (not the nasal drops). Since all flu vaccine is the same, using your local pharmacy is fine.
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