TABLE 2

Qualitative observation of disease in germfree mice 6 days postinfection with E. coli O157:H7 PA2 with and without E. coli C600

E. coli inoculumNo. healthyNo. sickNo. moribund/dead
PA2 only11a00
PA2 + C600253
  • a The PA2-plus-C600-infected mice had a higher morbidity and mortality rate than mice infected with PA2 alone (P < 0.05 by chi-square test).