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Did you know?
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Did you know?
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
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Medication errors are more common among seriously ill patients than with those with minor conditions.
Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.