American cook and immune carrier of typhoid fever who while moving from job to job infected more than50people with the disease.After health officials found her, she was institutionalized for much of the rest of her life.

• 玛尔龙，玛丽1870?－1938美国的一位厨师，是伤寒的免疫带原者，因她不时地换工作，将伤寒病传染给了五十多人。在卫生官员找到她后，她的余生大部分时间是被禁止与人接触的