KnowraMary MallonLinked fromLinked fromThe 2 pages that link to Mary Mallon, each with the reason it gives.All 2Broader topic 1Related 1Typhoid feverBroader topic: Her case exposed the public-health challenge of transmission by healthy carriers.Alexander GettlerRelated: Gettler’s era brought toxicology and medical examination into wider debates over public health and legal authority.