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Author Question: What is a positive sign of pregnancy? a. Enlargement of the uterus and abdomen b. Fetal heart ... (Read 68 times) |
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.
The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.
Blood is approximately twice as thick as water because of the cells and other components found in it.
Excessive alcohol use costs the country approximately $235 billion every year.
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.