In the 20th Century, infectious diseases declined tremendously. It is important to remember that this was in direct relation to the 19th century discovery of microorganisms that caused many of these diseases, such as tuberculosis and cholera. The discovery of antibiotics, vaccinations, along with improved water and sanitation systems played a huge role in disease control. (Contributed By: Ginni O. and Kelly F.)
The accomplishments of the 19th and 20th century have formed the foundation of our current disease surveillance and disease control in our nation today. (CDC, 1999) (Contributed By: Ginni O. and Kelly F.)
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