Between 1 January and 31 July 1992 a cholera epidemic caused 548 reported cases in Riohacha (population 68,000), Colombia. Read more...
The results of an ongoing comparative study of different pre-treatment alternatives based on two stages of roughing filtration are presented. Read more...
In a 4-week period in early 1976 in a poor, working class area of Cali, Colombia, the prevalences of diarrhoea, vomiting, common cold, and head lice... Read more...
This article is a synthesis of laboratory and field research on solar water disinfection (SODIS) which has been carried out by SANDEC (Switzerland)... Read more...