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As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

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Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

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Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

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Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

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Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

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Looking toward the sky around Orion from Alpha Centauri with Sirius near Betelgeuse and the Sun betw Looking toward the sky around Orion from Alpha Centauri with Sirius near Betelgeuse and the Sun betw
Burial caves from Mangaia, Cook Islands, document the changing patterns of mortuary ritual. Burial caves from Mangaia, Cook Islands, document the changing patterns of mortuary ritual.
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Changing Patterns of Climate:Hurricanes and the Atlantic Multidecadal Oscillation Changing Patterns of Climate:Hurricanes and the Atlantic Multidecadal Oscillation
Common restriction enzymes, with their recognition sequence, DNA cutting patterns, and sources Common restriction enzymes, with their recognition sequence, DNA cutting patterns, and sources
Video: Hormonal regulation of pregnancy - weeks 17 through 38

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