| an outbreak of diarrhea due to verotoxin-producing escherichia coli in the canadian northwest territories. | in the summer of 1991 a large outbreak of escherichia coli o157:h7 associated diarrhea occurred in 6 inuit communities in the canadian northwest territories. the total population of these communities is 5,292. of the 521 individuals who developed diarrhea, 152 (29%) were positive for e. coli o157:h7 on stool culture or positive by verotoxin analysis. median age was 6 years. the attack rate for children < 1 year was 43% in the major affected community of arviat. hemolytic-uremic syndrome (hus) de ... | 1994 | 7747090 |