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Did you know?
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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There are approximately 3 million unintended pregnancies in the United States each year.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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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.