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Table 1 Minimal inhibitory concentrations of select antibiotics for two isolates of STEC strain H104:H4, STEC O157:H7, and E. coli ATCC 25922

From: Therapeutic concentrations of antibiotics inhibit Shiga toxin release from enterohemorrhagic E. coli O104:H4 from the 2011 German outbreak

  E. coli strain
  O104:H4 O157:H7 ATCC25922
  Isolate   
  P5711 P5765   
Antibiotic MIC [mg/l]1
Ciprofloxacin 0.125 0.125 0.064 0.032
Chloramphenicol 4.0 4.0 8.0 6.0
Meropenem 0.047 0.047 0.032 0.032
Gentamicin 2.0 2.0 4.0 6.0
Rifampicin 32.0 32.0 16.0 12.0
Fosfomycin 0.25 0.25 0.094 0.19
  1. 1 Minimal inhibitory concentrations (MIC) were determined as described in Methods. Values depict the respective minimal concentration of a given antibiotic that inhibited the visible growth (E-test, BioMerieux).