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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.
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Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.