TABLE 4.

Zones of inhibition of parent and adapted strains of E. coli O157

Antibiotic or biocide in which strain was passagedZone of inhibition of parent strain/zone of inhibition of adapted straina with the following antibiotic or biocide:
AMCAMXBKCCHLCHXCIPCLICSERYFDGENIPMRIFTETTLNTMPVAN
ERY12/1211/115/5 14/7 4/4 17/9 0/09/9 6/2 0/012/1215/154/4 10/7 20/5 14/12 0/0
BKC 12/0 12/0 6/0 19/0 8/0 14/140/010/104/40/013/13 15/10 5/5 10/4 18/0 14/0 0/0
CHX12/1412/154/314/15 8/3 14/140/09/1011/110/013/1413/155/510/10 19/15 14/130/0
TLN 11/0 13/0 6/0 13/5 6/0 14/140/09/10 7/0 0/012/12 15/11 5/5 17/14 11/4 13/0 0/0
  • a Zones of inhibition are measured in millimeters. Boldfaced data indicate cross-resistance.