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Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
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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 calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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On average, the stomach produces 2 L of hydrochloric acid per day.
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.