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Purified, yet sullied?

with water-borne diseases on the rise, more and more people have been buying commercial domestic water purifier ( cdwp ) systems. However, a recent study indicates that these filters, instead of diminishing the risks, could actually lead to a greater incidence of diseases, especially diarrhoea.

Led by Milind Watve of the department of microbiology, Abasaheb Garware College in Pune, Maharashtra, scientists undertook a year-long survey of 1,195 individuals from 274 urban families residing in various parts of the city. Seventy-three families used commercially-available filters