Medicine and Disease

Yellow Fever

Who was Typhoid Mary?

Typhoid Mary was the name given to Mary Mallon (c. 1870–1938), the first known carrier of typhoid fever in the United States. Though Mallon had recovered from the disease, as a cook in New York City area restaurants she continued to spread typhoid fever germs to others, infecting more than 50 people between 1900 and 1915. The New York State sanitation department connected her to at least 6 typhoid fever outbreaks there. Officials finally—and permanently—institutionalized her in 1914 to prevent further spread of the acute infectious disease.


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