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Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.
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There are 60,000 miles of blood vessels in every adult human.
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The longest a person has survived after a heart transplant is 24 years.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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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.