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?
In 1864, the first barbiturate (barbituric acid) was synthesized.
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.
Did you know?
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
Did you know?
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Carnivorous plants, such as this pitcher plant (Sarracenia purpurea) are commonly found in bog habit
An example of a truncated train consist commonly used in rail transportation.