CAIE A Level Biology 9700 · Infectious diseases
A rural region in sub-Saharan Africa has a high incidence of malaria. The local health authority is considering a combination of insecticide-treated bed net distribution and indoor residual spraying (IRS) of insecticides to reduce transmission.
Discuss the biological and social factors that would influence the effectiveness of these control measures.
7 marks, so the mark scheme is looking for about 7 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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