Independent efficacy field trials have been carried out in the following countries:

Independent acceptability studies have been carried in countries worldwide, here are some examples:

Bangladesh - 4 week pilot study in a slum area of Dhaka, 50 households (70% mothers satisfied) (AIT)
Bangladesh - 16 week blind trial, in a slum area of Dhaka, 100 households. (AIT)
Honduras - 3 month study in the rural village of Tierra Blanca with 200 people, without a safe water supply (Christian Children`s Fund of Honduras)
Brazil - 3 week study in a village near Sao Paulo, with 350 people (70% preference compared to hypochlorite)
Brazil - 12 month study in a village of 618 people in the Bangu region, without safe water or adequate sanitation (44% difference in levels of pathogens in stool samples between treated and control groups).
Tanzania - Focus group study, in 3 municipalities, each with 2 groups (70% preference compared to hypochlorite) (Population Services International, Dar es Salaam)

Key features:

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