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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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People about to have surgery must tell their health care providers about all supplements they take.
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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.