Archives of internal medicine . od & Co. 9. Wright: Protozoa in a Case of Tropical Ulcer (Delhi Sore). Researcli, 1003, x, 472. 586 THE AhCHIVKs 01- JXTKJiXAL MEDlCiyE The population of the Canal Zone comprises men from nearly everyregion of the -world, and an infected native from a region in wMdi Ori-ental sore is endemic might have come here in an infective condition. Atabanid. Siomori/s. or one other of the muscid flies, mechanically by bit-ing or sucking could then infect from such a person a second individual. Since early in 1905 I have examined material here in Panama for thede
Archives of internal medicine . od & Co. 9. Wright: Protozoa in a Case of Tropical Ulcer (Delhi Sore). Researcli, 1003, x, 472. 586 THE AhCHIVKs 01- JXTKJiXAL MEDlCiyE The population of the Canal Zone comprises men from nearly everyregion of the -world, and an infected native from a region in wMdi Ori-ental sore is endemic might have come here in an infective condition. Atabanid. Siomori/s. or one other of the muscid flies, mechanically by bit-ing or sucking could then infect from such a person a second individual. Since early in 1905 I have examined material here in Panama for thedetection of L. tropica in cases of chronic skin ulceration, but until thecase described here was seen, nothing of a positive nature had beenencountered. During the year 1904 and early in 1905 every village in the CanalZone and the cities of Panama and Colon contained many fine examplesof tropical ulceration. In one of the villages near Colon, for example,nearly every native had a tropical ulcer. These were usually undressed,. Fig. 5.—Section of ulcer near tliat sliown in Figure 4. There is much perivas-cular round cell proliferation. or imperfectly dressed, and were exposed to flies and bugs, which undoubt-edly acted as agents of transfer for the virus, for the disease was stampedout by surgical cleanliness and the use of dressings. The sloughingulcers of the lower limbs and other forms of ulceration are now morerarely found, except among natives and those who are living in the bushbeAond the pale of sanitary measures. On first view, then, it might seem rather extraordinary that an iso-lated case of Oriental sore should have been found, but it must be remem-bered that whereas in the Canal Zone within the limits of efficient sani-tation most tropical diseases have been wiped out, a different condition i. •?• T. DA RUM! 587 few are eve. .eoeivec, .to theU-Sf• ^ ?* ^«™ as c2::orro.°r:; :::„r:;r ^^>^ -^ -™^ -^-^^ in the southed .stat s It V277 .^ ?fll^s a
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