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Mary Mallon is born
Mary is born in Northern Ireland. -
Period: to
Life of Mary Mallon
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Typhoid bacillus is described
German Pathologist and bacteriologist Karl Joseph Eberth is the first to describe the bacillus believed to be responsible for typhoid -
Mary migrates to the U.S.
At age 15 Mary, she becomes a maid in the U.S. before becoming a cook. -
Vaccine Developed
Almroth Edward Wright develops first successful vaccine for typhoid -
Spanish-American War
War between Spain and the United States takes place in Cuba, after the sinking of the USS Maine in Havana Harbor. -
New Career
Mary begins her career as cook for prominent families in New York. From 1900 to 1907 Mary would work for eight different New York Families -
Mary works in Manhattan
The laundress of a prominent Manhattan family is believed to be the first death related to Mary. -
Employment for Henry Gilsey
After starting as cook, four of the seven servants for Gilsey became ill with typhoid. Mary soon fled for another job. -
Oyster Bay Long Island
Mary became employed to Charles Henry Warren, August 27 to September 3, where six of the 11 people in the family came down with typhoid fever -
Charles Warren's only daughter dies
Charles Henry Warren’s daughter died of typhoid fever. This is the case that helped link Mallon with the outbreak by George Soper -
Sentencing
Mary is sentenced to quarantine on North Brother Island -
Investigation Published
George Soper published his findings of his investigation of typhoid outbreaks in the Journal of the American Medical Association. Soon after the publication she became known as Typhoid Mary -
New York Health Department
Mary sues the New York Health Department, but her complaint was denied and the case closed by the New York Supreme Court -
Released from quarantine
Mary agrees to change her occupation as a cook by signing an affidavit. This allows for her release from quarantine -
World War 1 begins
After the assassination of Archduke Franz Ferdinand, war in Europe begins -
Sloane Hospital for Women
Mary began working for this hospital New York City where 25 people were infected, and two died. Investigator Soper identified Mallon from the servants' verbal descriptions and also by her handwriting -
Second Quarantine
Mary was returned to quarantine on North Brother Island -
Spanish Flu
Also known as the 1918 Flu Pandemic, an estimated 500 million people world wide where infected -
Start of the Great Depression
The crash of the stock market leads to a Global economic crisis -
Mary Mallon Dies
Mary dies of pneumonia at age 69. She spent the last 23 years of her life in quarantine.