Other numbers: ATCC 33560, CCTM La 3331, CCUG 11284, CIP 70.2, DSM 4688, LMG 8841, NCTC 11351, A. Florent Uccle 91 F.B. Taxonomic status: Type strain. History: < CIP < A. Florent. Additional information: Type (4895). Serovar 23 (Penner); biovar 1 (Penner). Control strain for hippurate hydrolysis and indoxyl acetate hydrolysis test (ÈSN EN ISO), strain for media testing (ISO/TS 11133-2). Biohazard group 2. Cultivation conditions: Medium 116, 37°C, microaerophilic.