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Outbreaks of cholera in Kathmandu Valley in Nepal.

An analysis of the seasonal outbreak of diarrhoea in children in Kathmandu, Nepal, is reported. Vibrio cholera, 01 biotype El Tor Ogawa was the major cause of this epidemic. The pattern of spread suggested a waterborne infection related to contaminated river water and this was confirmed by a field survey. Although the mortality rate was low, younger children were more susceptible. Enteropathogenic E. coli seems to be a major cause for diarrhoea after cholera amongst children in this study.