Strain Julu was isolated from ascholboy in the Coust Province of Keny in 1968 (de Geus, 1971). The isolate aappeared to be a member of the Pyrogenes roup (de Geus, 1977) and was described by Dikken et al.(1979) as a new serovar kwale, with reference strain Julu. Its serovar status has been confirmed by a Ref. Lab.