Staphylococcus aureus ATCC 29213 ( MIC = 8 16 microg/ml ), Staphylococcus aureus ATCC 33591 (methicillin resistant) ( MIC = 16 32 microg/ml ), Staphylococcus epidermidis ATCC 12228 ( MIC = 2 4 microg/ml ), Enterococcus faecium ATCC 51559 (vancomycin resistant) ( MIC = 8 microg/ml ), Enterococcus faecalis ATCC 29212 ( MIC = 64 microg/ml ), Group A Streptococcus ATCC 49399 ( MIC = 4 microg/ml ), Streptococcus pneumoniae ATCC 49619 ( MIC = 32 microg/ml ), Streptococcus bovis ATCC 49133 ( MIC = 4 microg/ml ), Bacillus cereus ATCC 11778 ( MIC = 8 microg/ml ), Micrococcus luteus ATCC 4698 ( MIC = 2 microg/ml ), Corynebacterium group A ATCC 49676 ( MIC = 2 4 microg/ml ), Escherichia coli ATCC 25922 ( MIC = 8 16 microg/ml ), Enterobacter cloacae ATCC 35030 ( MIC = 8 microg/ml ), Proteus mirabilis ATCC 29245 ( MIC = >256 microg/ml ), Serratia marcescens ATCC 8100 ( MIC = >256 microg/ml ), Helicobacter pylori ATCC 43504 ( MIC = 2 microg/ml ), Haemophilus influenzae ATCC 49247 ( MIC = 8 microg/ml ), Pseudomonas aeruginosa ATCC 27853 ( MIC = 8 16 microg/ml ), Bacteroides fragilis ATCC 90028 ( MIC = 2 4 microg/ml ), Bacteroides thetaiotaomicron ATCC 29741 ( MIC = 2 4 microg/ml ), Clostridium difficile ATCC 43255 ( MIC = 4 microg/ml ), Propionibacterium acnes ATCC 29399 ( MIC = 8 microg/ml ), Veillonella parvula ATCC 10790 ( MIC = 8 microg/ml )