| epidemiologic study of shigella sonnei from sequential outbreaks and sporadic cases using different typing techniques. | we noted that eight outbreaks of shigella sonnei from an unknown source occurred sequentially in aichi prefecture, japan, between october 1992-june 1993. for comparative purposes we analyzed 53 outbreak-related isolates of shigella sonnei using different subtyping methods and studied the epidemiology of the outbreaks. it appeared from our study that dna-based techniques such as plasmid typing and pulsed-field gel electrophoresis (pfge) were more useful tools for subtyping shigella sonnei than co ... | 1998 | 9623912 |