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Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.
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There are more nerve cells in one human brain than there are stars in the Milky Way.
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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
Did you know?
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.