Home › AIIMS Nursing › Biology › Human Health and Disease › Mary Mallon, known as Typhoid Mary, is remembere…
Mary Mallon, known as Typhoid Mary, is remembered in medicine because she
Afirst isolated the typhoid bacterium
Bdeveloped the first typhoid vaccine
Cspread typhoid for years as a carrier
Ddescribed the Widal test procedure
Answer & Solution
Correct answer: C. spread typhoid for years as a carrier
1. A carrier harbours a pathogen and transmits it without showing the disease.
2. Mary Mallon was a cook by profession and a typhoid carrier.
3. She continued to spread typhoid for several years through the food she prepared.
4. The case is the classic teaching example of why food handlers are screened.
5. She neither isolated the organism nor developed any test or vaccine.
_Source: NCERT Class 12 Biology Ch7 'Human Health and Disease', section 7.1_
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