Proteus mirabilis Proteus vulgaris Serratia liquefaciens Serratia marcescens
Proteus mirabilis Proteus vulgaris Serratia liquefaciens Serratia marcescens Species for which acquired resistance may be a problem Gram-positive aerobes Coagulase-negative Staphylococcus Enterococcous faecalis MRSA* Staphylococcus aureus Staphylococcus aureus (methicillin susceptible) Streptococcus spp.