گزارشی از انتشار کلونال سویه جدیدی از ویبریو کلرا سروتیپ o۱ بیوتیپ التور در شمال غرب کشور در تابستان ۱۳۸۶

background and objectives: cholerae disease caused by toxigenic v. cholerae, is a major public health problem in developing countries including iran. epidemiological surveillance and comparative molecular analysis of isolates have demonstrated clonal diversity among epidemic strains and a continual emergence of new clones of toxigenic v.cholerae. material and methods: a total of 20 v.cholerae strains were sent to pasteur institute of iran in september of 2007 from kordestan province which includes strains of different sub-serotypes. after biochemical identification, isolates subjected to molecular analysis including pulsed-field gel electrophoresis (pfge) of noti digested genomic dna according to the standardized protocol by centre of disease control (cdc). results: pfge results showed a single pattern for all isolates. conclusion: the results were interpreted in comparison with patterns obtained by isolates of previous years and showed clonal dissemination of a new clone in kordestan province in this year.