Evidence on specific vulnerabilities to date show little pattern: of all cholera cases in Uganda in 2005-10, 54% were female and 46% male (Bwire ef al. Almost 90% said V rape occurred outside a populated village; 82% were raped while pursuing ordinary daily activities such as W searching for firewood or thatch, working in their fields, fetching water from riverbeds or travelling to a market. According to recent WHO estimates, 58% of total cases of diarrhoea in low- and middle-income countries are attributable to environmental factors (Pruss-Ustiin ef al.