I recall thread(s) here about people getting real sick and thought it was the water. This may be the reason. It's an AP article and doesn't give a time period when it happened.
This appeared on the rumor and news forum.
http://story.news.yahoo.com/news?tmpl=story&u=/ap/20020824/ap_on_he_me/disney_salmonella_outbreak_4
This appeared on the rumor and news forum.
http://story.news.yahoo.com/news?tmpl=story&u=/ap/20020824/ap_on_he_me/disney_salmonella_outbreak_4