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February 25, 1905


JAMA. 1905;XLIV(8):634. doi:10.1001/jama.1905.02500350044013

In a previous editorial1 we called attention to these peculiar bodies found in the splenic blood of cases of kala-azar and so-called dum-dum fever. At the time of their discovery they were supposed to be an entirely hew form of parasite, since they did not correspond to any of the known forms. We believe it was Leishman who suggested at this time that they represented a form of trypanosoma, but this idea did not gain foothold, as it was discountenanced by such an eminent authority as Laveran. Later Rogers, and still more recently Chatterjee, showed by cultivation that the parasite was, in fact, closely allied to the trypanosomes. In his last communication, Chatterjee2 shows that if the splenic blood from an infected case is introduced into a 5 per cent. solution of citrate of sodium there develop in a few days bodies which closely resemble the trypanosomes. The

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