THE OUTBREAK OF AMEBIASIS IN CHICAGO DURING 1933

Abstract
There have been so many conflicting statements regarding the recent outbreak of amebiasis in Chicago that we take this occasion to recite briefly the sequence of events as they occurred. On August 16, two cases of amebic dysentery in two different hospitals of the city were reported to the Board of Health. An immediate investigation was ordered. It was found that both patients had eaten in a certain hotel, and further inquiry revealed some diarrheal cases in this hostelry. Two additional cases among the guests were also found. On the basis of this evidence, a temporary laboratory was set up on the premises on August 17, and stools from all the food handlers were collected and examined under supervision of trained technicians who were experienced in the diagnosis of amebiasis. Out of 364 food handlers examined in this first survey up to September 1, 15 clinical cases and 11 carriers

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