Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.
Did you know?
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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The average adult has about 21 square feet of skin.
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Approximately 25% of all reported medication errors result from some kind of name confusion.
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Your heart beats over 36 million times a year.
Proteins that facilitate the formation and movement of a replication fork