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Did you know?
Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.
Did you know?
Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.
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If you could remove all of your skin, it would weigh up to 5 pounds.
Did you know?
Everyone has one nostril that is larger than the other.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.