| outbreak of cryptosporidiosis after contamination of the public water supply in saitama prefecture, japan, in 1996. | an outbreak of cryptosporidiosis occurred in ogose town, saitama prefecture. japan, in june 1996. of 12,345 respondents to a questionnaire sent to households in the town (population; 13,809), 8,812 (71.4%) reported an acute gastrointestinal illness some time between may and july. in addition, 274 traceable visitors at local inns, golf courses, and the like during this period and 54 employees from out of town were infected. cases of cryptosporidiosis were estimated to 9,140. of these, 2,856 subje ... | 2000 | 10916342 |