“…A systematic review of published case series identified 5999 children with sporadic diarrhoea‐associated HUS in 38 articles (reporting 39 case series) from 14 countries (Table III) (Dolislager & Tune, 1978; Raghupathy et al , 1978; Fong & Kaplan, 1982; Karmali et al , 1983, 1985; Communicable Disease Surveillance Centre, 1986; Rogers et al , 1986; Sheth et al , 1986; Badami et al , 1987; Kinney et al , 1988; Novillo et al , 1988; Lopez et al , 1989; Tarr et al , 1989; Martin et al , 1990; Milford et al , 1990; Abu‐Arafeh et al , 1991; Rowe et al , 1991, 1993; Bitzan et al , 1993; Gianviti et al , 1994; Jernigan & Waldo, 1994; Van de Kar et al , 1995, 1996; Douglas & Kurien, 1997; Nevard et al , 1997; Siegler et al , 1997; Rowe et al , 1998; Oakes et al , 2006; Decludt et al , 2000; Wong et al , 2000; Elliott et al , 2001; Chandler et al , 2002; Cummings et al , 2002; Gerber et al , 2002; Trachtman et al , 2003; Lynn et al , 2005; Haus‐Cheymol et al , 2006; Bergstein et al , 1992). Among the 2880 children in whom diarrhoea was described as either bloody or not bloody, 1890 (66%) had bloody diarrhoea.…”