Abstract
Serogroup O80 was detected in 40% of 104 enteropathogenic Escherichia coli isolates from calves with diarrhea from 42 farms in Belgium during 2008‒2015. These isolates harbored the eae-ξ and fliCH2 genes, similar to the O80 attaching-effacing Shigatoxigenic E. coli isolates found in humans in France. This strain might be emerging.
Highlights
Serogroup O80 was detected in 40% of 104 enteropathogenic Escherichia coli isolates from calves with diarrhea from 42 farms in Belgium during 2008‒2015
During November 2008‒June 2015, we conducted a study on 104 EPEC and 153 AE-STEC isolates collected from the feces or the intestinal contents of calves suffering diarrhea (1 isolate/calf) at the Association Régionale de Santé et d’Identification Animales in Ciney, Belgium
We subsequently performed an O80 serogroup‒specific PCR (5) of all 31 AE-STEC and 82 EPEC isolates with unidentified serogroups, along with one O80-positive E. coli strain and negative controls; 42 EPEC isolates and the O80-positive E. coli strain but no AE-STEC isolates or negative controls tested positive
Summary
Serogroup O80 was detected in 40% of 104 enteropathogenic Escherichia coli isolates from calves with diarrhea from 42 farms in Belgium during 2008‒2015. Enteropathogenic and attaching-effacing Shigatoxigenic Escherichia coli (EPEC and AE-STEC) cause bloody diarrhea in humans and young calves. During November 2008‒June 2015, we conducted a study on 104 EPEC and 153 AE-STEC isolates collected from the feces or the intestinal contents of calves suffering diarrhea (1 isolate/calf) at the Association Régionale de Santé et d’Identification Animales in Ciney, Belgium.
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