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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?
There are 60,000 miles of blood vessels in every adult human.
Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.
Did you know?
Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
Did you know?
The human body produces and destroys 15 million blood cells every second.