[Epidemiologic investigation on the mixed infection of Yersinia enterocolitica 0:3 and 0:9 serovars].
D000818:Animals; D002675:Child, Preschool; D003967:Diarrhea / Q000382:microbiology*; D004199:Disease Vectors; D006801:Humans; D008297:Male; D012703:Serotyping; D013552:Swine / Q000382:microbiology; D015009:Yersinia Infections / Q000453:epidemiology*; D015008:Yersinia enterocolitica / Q000302:isolation & purification*