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Antimicrobial Agents and Chemotherapy, November 2001, p. 3205-3208, Vol. 45, No. 11
0066-4804/01/$04.00+0   DOI: 10.1128/AAC.45.11.3205-3208.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.

High Incidence of Erythromycin Resistance among Clinical Isolates of Streptococcus agalactiae in Taiwan

Po-Ren Hsueh,1,2 Lee-Jene Teng,1,3 Li-Na Lee,1,2 Shen-Wu Ho,1,3,* Pan-Chyr Yang,2 and Kwen-Tay Luh1,2

Departments of Laboratory Medicine1 and Internal Medicine,2 National Taiwan University Hospital, and School of Medical Technology, National Taiwan University College of Medicine,3 Taipei, Taiwan

Received 23 January 2001/Returned for modification 15 June 2001/Accepted 6 August 2001

The in vitro susceptibilities of 266 isolates of Streptococcus agalactiae determined by the agar dilution method showed that 6% of isolates were nonsusceptible to penicillin and 46% was resistant to erythromycin. Of the erythromycin-resistant isolates, 86.3% had the macrolide-lincosamide-streptogramin (MLS) resistance phenotype (constitutive MLS, 85.5%; inducible MLS, 0.8%) and 13.7% had the M phenotype.

* Corresponding author. Mailing address: School of Medical Technology, National Taiwan University College of Medicine, No. 7 Chung-Shan South Rd., Taipei 100, Taiwan. Phone: 886-2-23562004. Fax: 886-2-23224263. E-mail: hsporen{at}ha.mc.ntu.edu.tw.

Antimicrobial Agents and Chemotherapy, November 2001, p. 3205-3208, Vol. 45, No. 11
0066-4804/01/$04.00+0   DOI: 10.1128/AAC.45.11.3205-3208.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.


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