Outbreaks of cholera commonly occur in refugee camps that are set up after a major natural disaster such as earthquakes.
The list shows some measures that can be taken to limit the spread of cholera in the refugee camps.
1 treating all drinking water supplies with a high concentration of chlorine
2 setting up an emergency treatment centre to isolate cases of cholera and treat them with antibiotics
3 using concentrated disinfectant to clean sewage disposal areas and infected bedding
4 health workers visiting regularly to detect cases
5 keeping good records of the number of cases and deaths at treatment centres
Which features of these control measures involve an economic factor?
1, 2, 3, 4 and 5
2 )
1, 3 and 5 only
3 )
2, 3, 4 and 5 only
4 )
2 and 4 only
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