Don't have Telegram yet? Try it now!
https://stairnaheireann.net/2015/11/11/1938-death-of-mary-mallon-also-known-as-typhoid-mary-she-was-the-first-person-in-the-united-states-identified-as-an-asymptomatic-carrier-of-the-pathogen-associated-with-typhoid-fever/
1938 – Death of Mary Mallon, also known as Typhoid Mary. She was the first person in the United States identified as an asymptomatic carrier of the pathogen associated with typhoid fever