Figure 1

Results of mouse pathogenicity test of E. coli E12. (A) Left was the viscera of dead mice, right was the viscera of control mice; (B) Microscopy of blood smears from the hearts of mice; (C) Microscopy of the liver of mice by palpation; (D) Morphology of heart blood colonies of mice on EMB; (E) Morphology of Liver colonies of mice on EMB.