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Numbers to Know
Influenza kills at least 40,000 people across the world each year.
People with heart disease are nearly 10x more likely to have a heart attack after getting the flu.
People over 65, children under 2 and those with chronic (long-term) illnesses have a higher risk of developing serious flu complications.
About 8% of the U.S. population gets sick from the flu each year.
The flu hits hard and fast. You can get symptoms between one and four days after you’re exposed.
People with the flu are infectious as little as one day before their own symptoms show up.
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