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Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.
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Medication errors are three times higher among children and infants than with adults.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.