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Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
Did you know?
The average adult has about 21 square feet of skin.
Did you know?
Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.