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Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
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Illicit drug use costs the United States approximately $181 billion every year.
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Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.
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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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More than 4.4billion prescriptions were dispensed within the United States in 2016.
Intradermal drug administration: (a) cross section of skin showing depth of needle insertion Source:
Timing of teratogens. Vulnerability to teratogens is greatest in the embryonic period. Source: Moore
Lilly Martin Spencer’s Young Husband: First Marketing (1854). Note that passers-by are amused at thi