Table 1.

Susceptibilities of six isolates of S. pneumoniae to benzylpenicillina

IsolateSusceptibilityTube MIC and MBCE test resultBEC
ATCC 671310Sensitive0.008, 0.0080.008ND
Serotype 19Sensitive0.016, 0.0160.0160.032
R1819Intermediate1.0, 1.00.51.0
R1855Intermediate1.0, 1.00.381.0
2312Resistant4.0, 8.06.08.0
2323Resistant4.0, 8.04.04.0
  • a All values are expressed in milligrams per liter. ND, not done.