+1 862 207 3288 To be submitted electronically on Blackboard via turnitin (details available on
Blackboard), penalties will apply for late submission.
Question 1 -5
Listen to the first segment of the “Patient Zero” Radiolab Podcast (Control + click on link to
access the podcast. ) Then answer the following questions.
http://www.radiolab.org/2011/nov/14/
1. Specifically how did Mary Mallon spread typhoid bacteria (Salmonella typhi ) to the families
she cooked for, as cooking food kills bacteria? [1 mark]
2. Mary Mallon was an “intermittent carrier” of typhoid. What does that mean? [1 mark]
3. Did Mallon believe she was sick and dangerous? Why or why not? [1 mark]
4. 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]
5. A few years later after being rele ased, Mary was re-quarantined. In your opinion d o you
think her treatment was fair this time ? Explain why you have this opinion, especially if you
have changed from Q4? [1 mark]
Question 6 -7
The following questions relate to immunisation. You should cite whatever references you use,
including the immunisation handbook.
6. In the 10
th
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]
7. Prior to the introduction of vaccines a gainst 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]
Question 8
The following question is related to the lecture on pyogenic cocci. If you use any references in
addition to the lecture notes you should cite them. You will need The Australian Immunisation
Handbook which is downloadable in pdf format from blackboard to answer this question.
8. 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]
IMPORTANT INFORMATION FOR STUDENTS
Cite the sources of information used for each question in one of the standard formats. The Vancouver system
is preferred. When books are cited it’s necessary to give the page numbers involved. Up to 20% reduction in
marks may occur for lack of referencing, or errors in referencing.
Unless they are given as quotations do not copy exact passages from textbooks as this is plagiarism. You
must paraphrase material by using your own words to demonstrate understanding. Direct copying from
reference sources or other students (past or present) is unacceptable. A zero mark will be awarded where
plagiarism is detected – this includes allowing your work to be copied by others.
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