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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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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.