Volume s1-28, Issue 6
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645



  • 1.  The clinical manifestations and treatment of one hundred cases of amebiasis occurring among American occupants of an apartment building in Tokyo, December 1946 to June 1947, are presented.
  • 2.  The relative mildness of the clinical manifestations was possibly related to the fact that the period of probable exposure to infection with had been brief; also the epidemic had been recognized soon after the onset of symptoms. There were no fatalities.
  • 3.  Seventy-six of the patients were treated with carbarsone and diodoquin; the remainder were given emetine hydrochloride concurrently with carbarsone.
  • 4.  Of the total number of patients treated three continued to pass cysts of after one course of treatment; two of these had negative stools after a second course of treatment; one patient, a child, required four courses of oral therapy of varying dosages before the stools were found to be negative. Seventeen continue to have occasional episodes of mild diarrhea and/or abdominal cramping, despite repeated post treatment negative stools.


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