Some observations on the outbreak of encepalo-meningornyelitis encountered in Ehime Syuso area through tweenty-eight hospitalized patients (1956)

An outbreak of encephalomeningomyelitis in Ehime·Syuso area from April to June 1956 was clinico-virologically investigated with the materials obtained from 28 hospitalized cases and their healthy visiting relatives. The major rise in polio type I antibody titer and the positive isolation of 4 strains of type I indicate the epidemy in this area to be the polio type 1. Three undeterminable cytopathogenic agents were concomitantly obtained in the HeLa cultures. The style of this episode was duly compared with the documents already reported.