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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
The FDA recognizes 118 routes of administration.
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
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