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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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A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
![School-age children are often independent and industrious, with a developing sense of self-confidenc](https://biology-forums.com/gallery/47/medium_2137_17_05_12_2_33_15.jpeg)
![Shy children often have a high arousal level in novel social situations. Over time, parents can help ...](https://biology-forums.com/gallery/47/medium_667187_21_02_17_4_33_06_255831304.png)