Question: Sara Josephine Baker was an American physician notable for making contributions to public health, known for twice tracking down which infamous index case better known as Typhoid Mary,  the first person in the United States identified as an asymptomatic carrier of the pathogen associated with typhoid fever, her name?
Sentence (from "Alfred Stillé"): He settled to practice in his native city, but spent parts of 1841 and 1851 in Paris and Vienna.
Relevant evidence: No