STUDIES ON RESIDENT STRAINS OF INTESTINAL E. COLI AMONG INFANTS IN INFANT-HOME

概要

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1) Persistence of the resident strains of intestinal E. coli in artificial feeding infants has proved to be shorter compared to that of adults especially in summer season.2) There was no similarity in identical twins in regard to intestinal flora of E. coli.3) Change of room in the same house, slight case of so-called cold, exposure of body in sleep, surgical scarlet fever, chicken pox, infantile eczema, skin infection, mild case of diarrhea of a few day's duration and therapeutic dosis of penicillin, sulfa drugs, streptomycin, INH, successive administration of Lact. bifidus and inoculation of pertussis vaccine have no effect on the resident strains.4) In cases of amoebic dysentery there were found no steady resident strains during infection. However, in other two cases invaded by pathogenic E. coli O 55 during epidemic there was no effect on resident strains.5) Resident strains were affected by change in infant-home, outing, change of diet, such as the first feeding of cereal or vegetable, diarrhea of comparatively long duration, vaccination against small pox, BCG vaccination and parenteral infection on some occasions.
The Keio Journal of Medicineの論文