typhoid mary

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typhoid mary

A cook unknowingly spreads illness, earning the nickname Typhoid Mary.

Definition

Noun: 1. A person who carries and spreads a dangerous disease, especially one who shows no symptoms: The term originates from the historical case of Mary Mallon, a cook who was an asymptomatic carrier of typhoid fever and unknowingly infected many people. It is now used metaphorically. 2. A source of unwanted or dangerous influence that spreads to others: Used figuratively to describe a person who is the starting point for a negative situation, idea, or problem that affects a wider group.

Usage Examples
  • Literal/Historical Meaning:
    • Health officials worked to identify the typhoid mary in the outbreak to prevent further infections.
    • The story of the original Typhoid Mary is a famous case study in epidemiology.
  • Figurative/Modern Meaning:
    • He was the typhoid mary of the office cold, infecting half the staff within a week.
    • The manager was accused of being a typhoid mary of low morale, spreading negativity to the entire team.
Advanced Usage
  • The term is often used in a pejorative or critical sense, assigning blame to an individual for spreading something harmful.
  • It can be applied to abstract concepts like rumors, bad habits, or financial trouble.
    • She became the typhoid mary of that embarrassing rumor.
Variants and Related Words
  • Carrier (n): A person or organism that carries and transmits a disease-causing agent without showing symptoms.
  • Superspreader (n): A person who transmits an infectious disease to an unusually large number of other people. (A more modern, clinical synonym).
  • Patient zero (n): The identified first human case of a disease in an outbreak. (Differs from "typhoid mary," as patient zero may show symptoms).
Synonyms
  • Carrier
  • Vector (in medical contexts)
  • Superspreader
  • Source (figurative)
Related Phrases/Idioms
  • To be a carrier of [something bad]: A more general phrase from which the metaphor of "typhoid mary" is derived.
    • He seems to be a carrier of bad luck.
typhoid mary

A cook unknowingly spreads illness, earning the nickname Typhoid Mary.

Noun
  1. United States cook who was an immune carrier of typhoid fever and who infected dozens of people (1870-1938)

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