https://pmc.ncbi.nlm.nih.gov/articles/PMC3959940/
Mary Mallon (1869-1938) and the history of typhoid fever - PMC
Mary Mallon was born in 1869 in Ireland and emigrated to the US in 1884. She had worked in a variety of domestic positions for wealthy families prior to...
history of typhoid fevermary mallon18691938