Amarantini C, Sembiring L, Kushadiwijaya H, Asmara W
TÂ . It was also found that the isolates which belong to S. typhi species formed several different centers of diversityÂ within the 16S rRNA gene tree. Each clade consisted of the strains from different geographical places in the District. Thus, to concludeÂ the inquiry, there was evident inter-geographical spread of the strains and it tended to spread further into more remote areas in theÂ District.