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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Asthma cases in Americans are about 75% higher today than they were in 1980.
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
There are approximately 3 million unintended pregnancies in the United States each year.
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.