Biology 9700 · AS & A Level · Infectious diseases

Infectious diseases — practice question

Worldwide, malaria causes 462 000 deaths each year among children under 5 years old. Insecticide-treated nets may prevent 50% of malaria cases and cut deaths of children under 5 years old by 18%. How many children could be saved if insecticide-treated nets are used?

  • A41 580
  • B83 160
  • C231 000
  • D332 640

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