Fate of STEC O26:H11 in bovine feces at 5, 15, and 25°C. Three strains (from left, SE97012, SE97023, and SE97024) were inoculated into three fecal samples from cows B (■) and C (□). Bars a and b, isolation of STEC O26:H11 in enrichment cultures of 0.02 and 0.2 g of feces, respectively.