2020HSCShort answer

Q21

3 marks

Question

Cholera is an acute diarrhoeal infection caused by the bacterium Vibrio cholerae. Humans are infected when they consume food or water that is contaminated with the bacterium.
Outline THREE strategies that could prevent the spread of cholera.

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Solution

Criteria	Marks
• Outlines THREE strategies that could help prevent the spread of cholera	3
• Identifies THREE strategies that could help prevent the spread of disease OR<br>• Outlines TWO strategies that could help prevent the spread of cholera	2
• Provides some relevant information	1

Sample answer:

Washing hands after going to the toilet removes bacteria from the skin. The purification of drinking water will kill the bacteria present in the water. Proper disposal of sewage would stop the exposure of people to the bacteria.

Supplied marking guidance · human reviewed

Compare this with your working, not only your final sentence.

Syllabus alignment

Module 7 · Infectious Disease

Prevention, Treatment and ControlInvestigate prevention through hygiene, quarantine, vaccination, campaigns, pesticides and genetic engineering.

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