HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.
Did you know?
Everyone has one nostril that is larger than the other.
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Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).
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On average, the stomach produces 2 L of hydrochloric acid per day.
The Helium Atom.
Common modifications of amino acid side chains in proteins
Biosynthetic Families of Amino Acids in Bacteria and Plants
Nucleic acids: RNA
Almonds contain high levels of healthy unsaturated fatty acids
Sulfur dioxide is a toxic gas, has a distinct, pungent odor, and contributes to acid rain and ...