- Specifically how did Mary Mallon spread typhoid bacteria (Salmonella typhi) to the familiesshe cooked for, as cooking food kills bacteria? [1 mark]
- Mary Mallon was an “intermittent carrier” of typhoid. What does that mean? [1 mark]
- Did Mallon believe she was sick and dangerous? Why or why not? [1 mark]
- How did the health department officials initially deal with Mallon, once she was identified as a typhoid carrier? In your own opinion do you think her treatment was fair? Explain why you have this opinion. [1 mark]
- A few years later after being released, Mary was re-quarantined. In your opinion do you think her treatment was fair this time? Explain why you have this opinion, especially if you have changed from Q4? [1 mark]
- In the 10th edition of The Australian Immunisation Handbook it states regarding Pertussis that “dTPa vaccine is recommended as a single dose, given either during pre-pregnancy planning, or a soon as possible after delivery of the infant (preferably before hospital discharge).” If the mother has already been vaccinated for whooping cough explain the reasons behind this recommendation. [2 marks]
- Prior to the introduction of vaccines against Haemophilus influenzae type b (Hib), invasive disease (including meningitis and epiglottitis) caused by Hib rarely occurred in those over 5 years of age. Explain why only young children developed invasive disease, why older children and adults rarely developed invasive disease and what implications this had for the development of an effective vaccine which would protect young children. [3 marks]
- For protection against both pneumococcal and meningococcal diseases, there are polysaccharide and conjugate vaccines available. What circumstances determine which vaccines a medical professional might choose for a patient? [5 marks]
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