Sonne,1 in 1915, while studying dysentery in Copenhagen, found the chief causative agent to be a late lactose-fermenting bacillus, closely resembling the Flexner bacillus, but serologically specific and different from it. Prior to his description of this organism, other workers had encountered similar bacilli in dysentery and diarrheal disease, but had failed to establish a true etiologic relationship.2 Following Sonne's description, workers in France, Denmark, Norway, Sweden, Scotland, England, Australia and Japan3 reported the finding of Sonne organisms in cases of dysentery. Others have reported the finding of similar organisms which may or may not be the same.4 Despite the rather frequent finding of Sonne dysentery in many parts of the world, cases of this disease have seldom been reported in this country. Recently, Gilbert and Coleman5 reported the occurrence of twelve cases of dysentery in New York state caused by the Sonne bacillus, four
NELSON RL. SONNE DYSENTERY: A REPORT OF THIRTY CASES OF DYSENTERY IN CHILDREN CAUSED BY B. DYSENTERIAE SONNE. Am J Dis Child. 1931;41(1):15–25. doi:10.1001/archpedi.1931.01940070022003
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