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The World Health Organization (WHO) estimates that improving water, sanitation and hygiene could prevent at least 9.1% of the global
Menstrual hygiene is a vital as well as a very sensitive issue for women in reproductive ages.
The Treguine refugee camp in Eastern Chad, is in a semi-arid terrain of hard, crystalline rock, where hard-rock boreholes proved ina
Malaria control among nomadic populations has, in the past, posed serious logistic difficulties.