'In the early 20th century, Mary Mallon infected about 50 people, not thousands, with this disease'
typhoid
IT'S NOT SO: In the early 20th century, Mary Mallon infected about 50 people, not thousands, with this disease
In the early 20th century, Mary Mallon infected about 50 people, not thousands, with this disease
In the early 20th century, Mary Mallon infected about 50 people, not thousands, with this disease
IT'S NOT SO
typhoid
IT'S NOT SO