Biology 9700 · AS & A Level · Infectious diseases

Infectious diseases — practice question

Smallpox has been eradicated, whereas malaria and cholera have not. Which statements give correct reasons for this?

  • A1, 2 and 3
  • B1, 2 and 4
  • C1, 3 and 4
  • D2, 3 and 4

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