. 2012 Aug;18(8):1314–1317. doi: 10.3201/eid1808.111616

Table 2. Escherichia coli O104 strains associated with human diarrhea, South Africa, 2004–2011*.

Strain no.	Collection date	Province	Patient age/sex	E. coli pathotype	H antigen	Antimicrobial drug susceptibility†
1	2007 Feb 23	Eastern Cape	4 mo/F	EAggEC	H4	R^Amp S^Amc R^Sxt S^Chl S^Nal S^Cip R^Tet S^Kan S^Str S^Imi S^Cro S^Caz
2	2007 Nov 16	Mpumalanga	43 y/M	EAggEC	H4	R^Amp S^Amc R^Sxt S^Chl S^Nal S^Cip R^Tet S^Kan R^Str S^Imi S^Cro S^Caz
3	2009 Apr 12	Gauteng	10 mo/F	EPEC	Non-H4	S^Amp S^Amc S^Sxt S^Chl S^Nal S^Cip S^Tet S^Kan S^Str S^Imi S^Cro S^Caz
4	2010 Feb 24	Mpumalanga	7 mo/M	EAggEC	H4	R^Amp S^Amc R^Sxt S^Chl S^Nal S^Cip S^Tet S^Kan S^Str S^Imi S^Cro S^Caz
5	2010 Mar 3	North West	7 mo/F	EAggEC	H4	R^Amp S^Amc R^Sxt S^Chl S^Nal S^Cip R^Tet S^Kan S^Str S^Imi S^Cro S^Caz
6	2010 Jun 16	Gauteng	12 mo/M	EAggEC	H4	R^Amp S^Amc R^Sxt S^Chl S^Nal S^Cip S^Tet S^Kan R^Str S^Imi S^Cro S^Caz
7	2010 Jul 17	Gauteng	15 mo/F	EPEC	Non-H4	S^Amp S^Amc S^Sxt S^Chl S^Nal S^Cip S^Tet S^Kan S^Str S^Imi S^Cro S^Caz

*EaggEC, enteroaggregative E. coli; EPEC, enteropathogenic E. coli. †R, resistant; S, susceptible. Isolates were classified as antimicrobial drug resistant at the following MIC breakpoint concentrations: ampicillin (Amp), MIC >16 μg/mL; amoxicillin/clavulanic acid (Amc), MIC >16 μg/mL; sulfamethoxazole/trimethoprim (Sxt), MIC >4 μg/mL; chloramphenicol (Chl), MIC >16 μg/mL; nalidixic acid (Nal), MIC >32 μg/mL; ciprofloxacin (Cip), MIC >2 μg/mL; tetracycline (Tet), MIC >8 μg/mL; kanamycin (Kan), MIC >32 μg/mL; streptomycin (Str), MIC >64 μg/mL; imipenem (Imi), MIC >8 μg/ml; ceftriaxone (Cro), MIC >16 μg/mL; ceftazidime (Caz), MIC >16 μg/mL.