[Study on the typing and epidemiology of a mass occurrence of Shigella sonnei].
D002675:Child, Preschool; D004196:Disease Outbreaks; D004352:Drug Resistance, Microbial; D004405:Dysentery, Bacillary / Q000453:epidemiology* / Q000382:microbiology; D006801:Humans; D007564:Japan; D012764:Shigella sonnei / Q000302:isolation & purification*