Other numbers: ATCC 27660, P.A. Pattee 655. History: < P.A. Pattee < J.N. Baldwin. Additional information: Parent strain from which histidine dependent mutants CCM 1766, CCM 1767, CCM 1768 were derived (839,840). Serovar c1/b1. Biohazard group 2. Cultivation conditions: Medium 71, 37°C.