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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.
People about to have surgery must tell their health care providers about all supplements they take.
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.