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To explore your interest in epidemiology, visit the Web site of the Centers for Disease Control and Prevention (CDC, to read about topics such as environmental health, vaccines and immunizations, and to read articles from the Emerging Infectious Diseases journal ( It would also be helpful to read about past epidemics and how they were dealt with. A recent example is the story of the polio epidemic of the 20th century and Jonas Salk's and Albert Sabin's race to find a vaccine against it. A good book on the topic is Polio: An American Story, by David M. Oshinsky (New York: Oxford University Press, USA, 2006). Another frightening—and more recent—epidemic was the 2014 Ebola outbreak in West Africa. An excellent book on the topic is Ebola: The Natural and Human History of a Deadly Virus, by David Quammen (New York: W. W. Norton & Company, 2014). Finally, talking to an epidemiologist about his or her career will provide you with a wealth of information about the field.

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