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Diarrhoea times among different frequency of barrelled water machine disinfection and filter replacement. Self-report diarrhoea in 2010 was compared among barrelled and filtrated water users. 41.11% of barrelled water users and 46.88% of filtrated water users reported diarrhoea in 2010. The more often the frequency of disinfection and filter replacement, the less chance and severity of self-report diarrhoea
