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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.
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There are 20 feet of blood vessels in each square inch of human skin.
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According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.