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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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Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.