Other numbers: ATCC 27351, CCUG 21019, NCTC 10921, NIDR 6715-7, strain KIR/B. History: < CCUG < NCTC < J.M. Hardie < D. Bratthall < P.H. Keyes. Isolated from: Hamster inoculated with human dental plaque. Additional information: Serotype d. Formerly Streptococcus mutans. Biohazard group 2. Cultivation conditions: Medium 91 with sheep blood, 37°C, CO2.