Hunt for mystery food item causing a UK-wide E.coli outbreak that has slickened hundreds

Officials have not yet traced the source of the outbreak of Shiga toxin-producing E.coli (STEC), a rare strain of the diarrhoea-causing bug. Officials have not yet traced the source of the outbreak of Shiga toxin-producing E.coli (STEC), a rare strain of the diarrhoea-causing bug.