State and federal officials investigating a multistate non-O157 E. coli outbreak went into the weekend without naming either the exact strain or food source involved.
On background, food safety experts
On cue with recent discussions regarding the regulation of non-O157:H7 strains of E. coli, two outbreaks of non-O157 shiga toxin-producing E. coli (STEC) strains have just emerged.
Michigan and