Other numbers: ATCC 35152, CCUG 15527, CECT 5873, CIP 104794, DSM 102976, JCM 7671, LMG 13304, NCAIM B.01371, NCTC 7973, SLCC 2371, WDCM 00109, S. Paterson LS/2, strain 58 XXIII. History: < H.P.R. Seeliger < J. S. Paterson. Isolated from: Guinea pig mesenteric lymph node. Additional information: Serovar 1/2a. Media testing. Contains two phenotypes: hemolytic, virulent colonies and nonvirulent, nonhemolytic colonies on brain heart infusion agar with 5% rabbit blood (5641), both colony types are serotype 1/2a. Biohazard group 2. Cultivation conditions: Medium 2 or 31, 37°C.