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Volume 17, Number 10—October 2011

Dispatch

Antimicrobial Ointments and Methicillin-Resistant Staphylococcus aureus USA300

Masahiro SuzukiComments to Author , Kazuhiro Yamada, Miki Nagao, Etsuko Aoki, Masakado Matsumoto, Tatsuya Hirayama, Hiroaki Yamamoto, Reiji Hiramatsu, Satoshi Ichiyama, and Yoshitsugu Iinuma
Author affiliations: Author affiliations: Aichi Prefectural Institute of Public Health, Nagoya, Japan (M. Suzuki, K. Yamada, M. Matsumoto, T. Hirayama, H. Yamamoto, R. Hiramatsu); Kyoto University Hospital, Kyoto, Japan (M. Nagao, S. Ichiyama, Y. Iinuma); Kyoto University, Kyoto (M. Nagao, S. Ichiyama, Y. Iinuma); National Hospital Organization Nagoya Medical Center, Nagoya (E. Aoki); Kanazawa Medical University, Kahoku, Japan (Y. Iinuma)

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Table 2

Bacitracin and neomycin susceptibility of MRSA USA300 and other MRSA isolates*

Bacitracin/neomycin
MRSA USA300 (MICs of bacitracin, neomycin, and polymyxin B)† Other MRSA
Kyoto University Hospital
Nagoya Medical Center
ATCC type strains
R/R 9 (400, 128, 200–400) 0 BAA1717 (400, 128, 400) 0
R/S 0 1 (400, 0.25, 400) 0
S/R 0 0 11
I/S 0 0 1
S/I 0 0 132
S/S
9 (6.25–12.5, 0.25, 400)
0
BAA1556 (6.25, 0.25, 400)
96
Total 18 1 2 240

*MRSA, methicillin resistant Staphylococcus aureus; ATCC, American Type Culture Collection (Manassas, VA, USA); R, resistant; S, susceptible; I, intermediate resistance.
†MICs are expressed as units/mL for bacitracin and polymyxin B and in μg/mL for neomycin.

*MRSA, methicillin resistant Staphylococcus aureus; ATCC, American Type Culture Collection (Manassas, VA, USA); R, resistant; S, susceptible; I, intermediate resistance.
†MICs are expressed as units/mL for bacitracin and polymyxin B and in μg/mL for neomycin.

*MRSA, methicillin resistant Staphylococcus aureus; ATCC, American Type Culture Collection (Manassas, VA, USA); R, resistant; S, susceptible; I, intermediate resistance.
†MICs are expressed as units/mL for bacitracin and polymyxin B and in μg/mL for neomycin.

*MRSA, methicillin resistant Staphylococcus aureus; ATCC, American Type Culture Collection (Manassas, VA, USA); R, resistant; S, susceptible; I, intermediate resistance.
†MICs are expressed as units/mL for bacitracin and polymyxin B and in μg/mL for neomycin.

*MRSA, methicillin resistant Staphylococcus aureus; ATCC, American Type Culture Collection (Manassas, VA, USA); R, resistant; S, susceptible; I, intermediate resistance.
†MICs are expressed as units/mL for bacitracin and polymyxin B and in μg/mL for neomycin.

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