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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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If you could remove all of your skin, it would weigh up to 5 pounds.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").