George Soper faced ____ in his job as a sanitation engineer when he was hired to find the source of ____in Oyster Bay, New York. He was very ____, working for months and refusing to stop until he found the source of the ____. He checked the whole ____ and could not find any sign of disease. Although it was a difficult job, he ____ and would not give up. He interviewed all the people who worked in the mansion. Finally, he tracked the typhoid to the cook, Mary Mallon. She did not have any symptoms of typhoid, but George believed she was a ____ of the disease. Mary did not believe George and chased him with a fork, but he was ____ and did not let Mary's anger stop him. He called the Health Department and they tested Mary's blood. This was the final ____ George needed to confirm that Mary was spreading typhoid.

Typhoid Mary

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