Typhoid Mary: Villain or Victim Quiz

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What was the reason for Mary Mallon's initial suspicion as the cause of the typhoid fever outbreak?

She had a history of working in places where typhoid fever outbreaks occurred (correct)

She showed symptoms of typhoid fever

She was known for ignoring hygiene and food safety protocols

She was the only cook in the affected households

Why was Mary Mallon quarantined on a small island in the East River?

To conduct further medical tests on her

To protect her from contracting typhoid fever

To prevent her from causing more outbreaks (correct)

To provide her with better medical care

What made Mary's case significant according to the text?

She was the only cook who refused to comply with health regulations

She was the only person responsible for spreading typhoid fever in New York City

She was the first person to be quarantined for carrying a disease without being sick

She was the first healthy carrier of typhoid fever in the United States (correct)

What factor led to Mary Mallon's release from quarantine after three years?

Her commitment to never cook for others again Signup and view all the answers

Why did Mary Mallon return to cooking, causing another outbreak?

She needed to support herself financially and cooking was her only skill Signup and view all the answers

What were some of the questions hidden behind the simple facts of Mary Mallon's case as mentioned in the text?

Did it matter that she was Irish, working class, and female, and why could she carry a disease-causing germ without being sick Signup and view all the answers

What is the most common symptom of typhoid fever?

High fever Signup and view all the answers

How is typhoid fever typically diagnosed?

Testing blood or stool for the presence of bacteria Signup and view all the answers

What is the percentage of cases in which typhoid fever leads to death if left untreated?

10%-20% Signup and view all the answers

How are humans usually infected with Salmonella typhi, the bacterium that causes typhoid fever?

Fecal-oral contamination Signup and view all the answers

What is a common consequence for about 3% of the survivors of typhoid fever?

"Healthy carriers" in whom the bacteria persist and are shed in an infectious state in the person’s stool Signup and view all the answers

What is the primary mode of transmission for Salmonella typhi?

"Fecal-oral contamination, usually by drinking contaminated water or by eating food prepared by an infected person" Signup and view all the answers

What is the impact of modern water treatment on typhoid fever outbreaks?

Significantly reduced the number of outbreaks Signup and view all the answers

Why is it mentioned that humans are the only host for Salmonella typhi?

"To emphasize the importance of human hygiene in preventing typhoid fever transmission" Signup and view all the answers

In which region is typhoid fever relatively rare due to modern water treatment?

"The US" Signup and view all the answers

Why was Mary Mallon suspected as the cause of the initial typhoid fever outbreak?

She had a history of working in places where typhoid fever outbreaks occurred. Signup and view all the answers

What made Mary's case significant according to the text?

Her status as the first 'healthy carrier' of a disease in the United States. Signup and view all the answers

What factor led to Mary Mallon's release from quarantine after three years?

The absence of any new typhoid fever cases during her quarantine. Signup and view all the answers

What were some of the questions hidden behind the simple facts of Mary Mallon's case as mentioned in the text?

What would we do today with Mary? Why did they suspect her as the cause of the initial outbreak? Signup and view all the answers

How could Mary carry a disease-causing germ without being sick?

She was an asymptomatic carrier of typhoid fever. Signup and view all the answers

Were there other healthy carriers besides Mary Mallon?

Yes, there were several other healthy carriers identified subsequently. Signup and view all the answers

What is the most common symptom of typhoid fever?

High fever Signup and view all the answers

What is the primary mode of transmission for Salmonella typhi?

Ingestion of contaminated food or water Signup and view all the answers

What is a common consequence for about 3% of the survivors of typhoid fever?

Becoming 'healthy carriers' of the bacteria Signup and view all the answers

How long does the disease usually run its course in a patient with typhoid fever?

About a month Signup and view all the answers

What is the impact of modern water treatment on typhoid fever outbreaks?

It has reduced the number of cases but not completely eradicated outbreaks. Signup and view all the answers

Who are the potential sources of input for answering key questions about managing infectious diseases?

Biologists, physicians, and public health workers Signup and view all the answers

What is the most effective way to be sure of a typhoid fever infection?

Testing blood or stool for the presence of the bacteria Signup and view all the answers

What is the rate of typhoid fever in the Mekong delta region of Vietnam?

1 per thousand individuals every year Signup and view all the answers

What is the typical outcome for those who survive typhoid fever?

They develop immunity but remain carriers of the bacteria. Signup and view all the answers

Typhoid Mary: Villain or Victim Quiz

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Questions and Answers

What was the reason for Mary Mallon's initial suspicion as the cause of the typhoid fever outbreak?

Why was Mary Mallon quarantined on a small island in the East River?

What made Mary's case significant according to the text?

What factor led to Mary Mallon's release from quarantine after three years?

Why did Mary Mallon return to cooking, causing another outbreak?

What were some of the questions hidden behind the simple facts of Mary Mallon's case as mentioned in the text?

What is the most common symptom of typhoid fever?

How is typhoid fever typically diagnosed?

What is the percentage of cases in which typhoid fever leads to death if left untreated?

How are humans usually infected with Salmonella typhi, the bacterium that causes typhoid fever?

What is a common consequence for about 3% of the survivors of typhoid fever?

What is the primary mode of transmission for Salmonella typhi?

What is the impact of modern water treatment on typhoid fever outbreaks?

Why is it mentioned that humans are the only host for Salmonella typhi?

In which region is typhoid fever relatively rare due to modern water treatment?

Why was Mary Mallon suspected as the cause of the initial typhoid fever outbreak?

What made Mary's case significant according to the text?

What factor led to Mary Mallon's release from quarantine after three years?

What were some of the questions hidden behind the simple facts of Mary Mallon's case as mentioned in the text?

How could Mary carry a disease-causing germ without being sick?

Were there other healthy carriers besides Mary Mallon?

What is the most common symptom of typhoid fever?

What is the primary mode of transmission for Salmonella typhi?

What is a common consequence for about 3% of the survivors of typhoid fever?

How long does the disease usually run its course in a patient with typhoid fever?

What is the impact of modern water treatment on typhoid fever outbreaks?

Who are the potential sources of input for answering key questions about managing infectious diseases?

What is the most effective way to be sure of a typhoid fever infection?

What is the rate of typhoid fever in the Mekong delta region of Vietnam?

What is the typical outcome for those who survive typhoid fever?

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