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Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
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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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.