Table 4.

Antimicrobial susceptibility profiles of the Escherichia coli isolates recovered after induction with ceftazidime.

	Resistant E. coli isolates
Antimicrobial	Derived from E4	Derived from E11	Derived from E21
Cefalotin	CAZ-1/-2/-3/-4/-5/-6/-7/-8/-9	CAZ-1/-2/-3/-4/-5/-6/-7/-8/-9	CAZ-1/-2/-3/-4/-5/-6/-7/-8/-9
Cefoxitin	CAZ-4/-5/-6/-7/-8/-9	CAZ-3/-4/-5/-6/-7/-8/-9	CAZ-4/-5/-6/-7/-8/-9
Ampicillin	CAZ-2/-3/-4/-5/-6/-7/-8/-9	CAZ-1/-2/-3/-4/-5/-6/-7/-8/-9	CAZ-1/-2/-3/-4/-5/-6/-7/-8/-9
Amoxicillin/ clavulanic acid	CAZ-2/-3/-4/-5/-6/-7/-8/-9	CAZ-1/-2/-3/-4/-5/-6/-7/-8/-9	CAZ-1/-2/-3/-4/-5/-6/-7/-8/-9
Kanamycin ∗	CAZ-1/-2/-3/-4/-5/-6/-7/-8/-9	CAZ-2/-3/-4/-5/-6/-7/-8/-9	CAZ-1/-2/-3/-4/-5/-6/-7/-8/-9

 ^∗All E. coli isolates had intermediate resistance to kanamycin.