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Faecal samples from 3268 randomly selected inhabitants of two provinces in the northern region of Iran were screened to detect Verotoxin-producing Escherichia coli (VTEC) using colony sweep polymyxin-B extraction method. Non-sorbitol fermentation phenotype and slide agglutination with O157 and H7 antisera used to detect this serotype. We found that 0.7% of the population were infected with VTEC, however...
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