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Volume 13, Number 3—March 2007

Dispatch

Staphylococcal Cassette Chromosome mec in MRSA, Taiwan

Jann-Tay Wang*, Chi-Tai Fang*, Yee-Chun Chen*, Chia-Ling Wu*, Mei-Ling Chen*, and Shan-Chwen Chang*Comments to Author 
Author affiliations: *National Taiwan University Hospital, Taipei, Taiwan, Republic of China;

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Table 2

Characteristics of 190 methicillin-resistant Staphylococcus aureus isolates, Taiwan, 1992–2003*

P (no. isolates)SCC
mec typeMLSTPVLYear of isolation (no. isolates)Drug susceptibility rate, %†
OXEMCLGMAMCPLVTCTSRFVA
A (34)IV254N1992 (11), 1993 (13), 1994 (5), 1995 (1), 1996 (3), 2003 (1)008.80020.132.35.991.20100
B (49)III241N1992 (8), 1993 (11), 1994 (10), 1995 (17), 1996 (3)0040.8004.14.102.018.4100
C (69)III239N1994 (1), 1995 (14), 1996 (34), 2003 (20)005.82.901.41.42.91.495.7100
D (6)IV59Y1994 (1), 1995 (2), 1996 (1), 2003 (2)00016.733.366.710033.3100100100
E (2)IV254N1992 (1), 1995 (1)005000505001000100
F (3)IV30Y1992 (2), 1993 (1)00033.366.710010033.3100100100
K (11)III239N2003 (11)009.1000000100100
L (5)III239N2003 (5)000000000100100
M (8)II5N2003 (8)000000010010025100
Other‡ (3)
I5N2003 (1)00000001001000100
IV59Y2003 (1)0000100100100100100100100
IV59Y2003 (1)000001001000100100100

*P, pulsotype; SCC, staphylococcal cassette chromosome; MLST, multilocus sequence typing; PVL, Panton-Valentine leukocidin; N, no; Y, yes.
†OX, oxacillin; EM, erythromycin; CL, clinidamycin; GM, gentamicin; AM, amikacin; CP, ciprofloxacin; LV, levofloxacin; TC, tetracycline; TS, trimethoprim-sulfamethoxazole; RF, rifampin; VA, vancomycin.
‡Including 3 pulsotypes each containing only 1 isolate.

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