Test all diarrhoeal stools for VTEC O157; sensitive methods are available if suspicion is high and yield likely to be low.
D001431:Bacteriological Techniques; D003967:Diarrhea / Q000453:epidemiology / Q000382:microbiology*; D004739:England; D004927:Escherichia coli Infections / Q000453:epidemiology / Q000382:microbiology*; D019453:Escherichia coli O157 / Q000302:isolation & purification*; D005243:Feces / Q000382:microbiology*; D006801:Humans; D011159:Population Surveillance; D012680:Sensitivity and Specificity; D014852:Wales