1940s
- 1946 - The Communicable Disease Center is organized in Atlanta, Georgia on July 1.
- 1947 - In San Francisco, CDC took over the Public Health Service Plague Laboratory, thus acquiring an Epidemiology Division.
- 1948 - CDC gained worldwide recognition for the quality and quantity of its contributions to the taxonomy of the Enterobacteriaceae.
- 1949 - As a result of the Cold War, CDC initiated programs to fight biological warfare, "an exotic new threat to health."
Read more about this topic: Centers For Disease Control And Prevention Timeline