Read an impassioned letter Mary Mallon wrote in 1909, when she petitioned the courts for her release.
An historian argues that public health officials should share the blame for Mallons behavior.
Follow an illustrated chronology, from Roman times to the present.
Trace the outbreak of a mysterious illness, dizzy fever, to its source.
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Funding for NOVA is provided by David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.
Major funding for The Most Dangerous Woman in America was provided by the National Endowment for the Humanities and the National Library of Medicine. Funding for the development of The Most Dangerous Woman in America was provided by The New York Council for the Humanities, Open Society Institute, and Wyeth Laboratories.