In 1994, Bioforce had to intervene In Djibouti for a cholera epidemic. The
need to install a treatment unit in the town led to the development of orig
inal methods, namely: the construction of a field hospital close to the gen
eral hospital and also the construction of a sewage farm. This timely inter
vention, which has been very effective against the spread of lethal disease
, could not however care for chronic problems such as the supply of drinkab
le wafer for the population and adequate sanitation. These failures have be
came subsequently worse in the past few years, especially at times of flood
ing which has often occurred in November and December (C) 1999 Elsevier Par
is.