Ecology of respiratory virus transmission: a comparison of three communities in West Bengal

Failure of sanitary wells to protect against cholera and other diarrhoeas in Bangladesh

Within an area of Bangladesh in which the incidence of cholera was high, use of sanitary pipe wells did not protect against cholera or related non-cholera diarrhoeas because well users also used contaminated water sources regularly enough to maintain high infection-rates. Protection was found to correlate with education and wealth.