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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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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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Blood is approximately twice as thick as water because of the cells and other components found in it.
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On average, the stomach produces 2 L of hydrochloric acid per day.
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Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.