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Author Question: State University uses thousands of fluorescent light bulbs each year. The brand of bulb it currently ... (Read 33 times) |
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
Approximately 500,000 babies are born each year in the United States to teenage mothers.
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.
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.