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The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.
As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.