Emerging Infectious Diseases (Oct 2011)
Antimicrobial Ointments and Methicillin-Resistant Staphylococcus aureus USA300
Abstract
We tested 259 methicillin-resistant Staphylococcus aureus isolates and 2 USA300 ATCC type strains for susceptibility to bacitracin and neomycin contained in over-the-counter antibacterial ointments. Resistance to both bacitracin and neomycin was found only in USA300. The use of over-the counter antimicrobial drugs may select for the USA300 clone.
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