CAIE A Level Biology 9700 · Infectious diseases
A large refugee camp is experiencing a cholera outbreak caused by Vibrio cholerae. The table shows the number of new cholera cases per week over a one-month period.
| Week | New cases |
|---|---|
| 1 | 15 |
| 2 | 42 |
| 3 | 89 |
| 4 | 126 |
Outline the biological, social and economic factors that should be considered in the prevention and control of this cholera outbreak.
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.
Outline means: Give the main points briefly. Less detail than describe, but every key step has to be there. One short line per step, in order. The marks are for coverage, not depth.
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