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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.
Did you know?
About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.
Did you know?
Everyone has one nostril that is larger than the other.
Did you know?
Your heart beats over 36 million times a year.
Did you know?
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.