Many thanks for your comment and your interest in our work. If you want to delve a bit more in depth into the story of Mary Mallon you can listen to a free download podcast of an interview I conducted with the Sibert medalist and Newbery Honor winner Susan Bartoletti, author of a biography of Mary Mallon. You can find it on the web if you search for my name Raj Persaud and Typhoid Mary and Susan Bartoletti. Best wishes Raj