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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People about to have surgery must tell their health care providers about all supplements they take.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
A Black cat under the snow.
Black Hole Wind
Black and White Out-Migration from Virginia and North and South Carolina, 1870–1940 (in thousands)
Clay Lohmann, Black Lung.
Muhammad Placing the Black Stone on His Cloak, from Rashid al-Din's Jami al-Tawarikh ...