CAIE A Level Biology 9700 · Infectious diseases
In a rural district of a low-income country, the four infectious diseases cholera, malaria, tuberculosis (TB), and HIV/AIDS are all prevalent. A public health team is devising an integrated control programme. Discuss the different routes of transmission of these diseases and explain how biological, social, and economic factors influence the choice of prevention and control strategies for each.
6 marks, so the mark scheme is looking for about 6 separate creditworthy points. Making the same point twice in different words earns it once.
Discuss means: Set out the points on more than one side and weigh them up. Cover both sides, then finish with a judgement that follows from what you wrote.
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