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Mary Mallon was the first person in the US to be identified as a healthy carrier of typhoid fever. In 1904, a typhoid epidemic was traced to homes where she had been a cook. She fled but was located by authorities and forcibly quarantined for several years. In 1910, she was released on the condition that she not take another food-handling job. Discovered cooking again in 1914, she was quarantined for life. Though she herself never had the disease, she infected about 50 people. How many died? Discuss
Source: The Free Dictionary