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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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Excessive alcohol use costs the country approximately $235 billion every year.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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Thyroid conditions may make getting pregnant impossible.
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Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.