Black Death. Typhoid fever. Pellagra. In the early 1900s they invaded the United States, killing thousands. One of the most notorious historical figures associated with disease was "Typhoid Mary", who unknowingly infected untold numbers of people with typhoid fever while cooking in kitchens along the east coast. 
My guest, Gail Jarrow, is the author of three books which she calls her "Deadly Diseases Trilogy". They are "Bubonic Panic: When Plague Invaded America", "Fatal Fever: Tracking Down Typhoid Mary", and "Red Madness: How a Medical Mystery Changed What We Eat". She discusses the history of these epidemics in America, and how early 20th century doctors tried to combat them. 
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