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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.
Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
There are more bacteria in your mouth than there are people in the world.
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.