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Did you know?
Approximately 500,000 babies are born each year in the United States to teenage mothers.
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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
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The average office desk has 400 times more bacteria on it than a toilet.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.