Other numbers: ATCC 33186, CIP 100750, M. Bushby CN 478. History: < F. Výmola (Streptococcus faecalis) < O'Brien. Additional information: Assay of trimethoprim/sulphamethoxazole; recommended reference strain for aerobic antimicrobial susceptibility testing (NCCLS M2-A4, 1990, NCCLS M7-A2, 1990). Biohazard group 2. Cultivation conditions: Medium 2 or 31, 37°C.