Table 1.

Antimicrobial susceptibility and serogroups of 22 isolates of MDR S. pneumoniae from Korea

Strain no.Isolation yearSpecimen sourceSerogroupMIC of (μg/ml)a:
PCCTXCTRCLOCFXAMIMPTCEMCM
R6≤0.03≤0.03≤0.03≤1≤0.03≤0.03≤0.030.5≤0.064
Sp23Fb198923211128820.516≤0.0632
11989Cerebrospinal fluid2342264840.5818
21989Cerebrospinal fluid2342264841818
31990Blood23422128840.580.258
41990Sputum6422128840.5828
51990Ascites23422128440.540.258
61991Ascites19422128840.516216
71991Sputum23422128440.510.258
81991Blood23422128840.50.528
91992Blood6422128840.5818
101992Blood23422128840.510.258
111992Sputum23422128440.50.5116
121992Sputum19422128840.5160.516
131993Sputum19422128840.5228
141993Blood6222128840.540.2516
151993Blood19422128880.540.2516
161994Blood19422128440.521616
171994Sputum23422128840.54416
181995Sputum23242128840.5888
191995Sputum19242128840.516324
201995Sputum23242128840.532324
211995Sputum23442128840.532324
221995Sputum23242128840.5160.2616
  • a PC, penicillin; CTX, cefotaxime; CTR, ceftriaxone; CLO, cefaclor; CFX, cefuroxime; AM, ampicillin; IMP, imipenem; TC, tetracycline; EM, erythromycin; CM, chloramphenicol.

  • b Sp23F, Spanish 23F clone.