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Human Trypanosomiasis and Spirochaetosis in Portuguese South-West Africa, with suggestions for Preventing their Spread in the Colony

Published online by Cambridge University Press:  15 May 2009

F. C. Wellman
Affiliation:
Of Benguella, W. Africa
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The origin and object of the following paper can be explained in a few words. In April, 1904, the writer published a series of 280 blood examinations (to which were added about 150 more) of natives of southern Angola (Portuguese West Africa) without recording a single instance of the presence either of trypanosomes or of spirochaetes in the circulation. Quite recently in the course of an investigation of the endemic malaria of the same district, 513 examinations made among the same people and with the same technique revealed 3 individuals harbouring trypanosomes and 4 showing spirochaetes in their blood. These observations, together with the fact that a year or so ago the natives reported no cases of Tick Fever, while recently statements are made by them that the Tick Fever of the upper Zambezi has reached Angola, and also the fact that Sleeping Sickness is reported to be advancing southward through the province, have led me strongly to suspect that these diseases have lately begun to spread markedly in my part of the colony, and that one or both of them may not inconceivably assume in the near future epidemic proportions.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1906

References

(1)Wellmann, . Protozoal and Entozoal Infection of Natives of Benguella, Angola, West Africa, Journ. Trop. Med., 04 15, p. 123 (1904).Google Scholar
(2)Id. Case of Relapsing Fever, with Remarks on its Occurrence in the Tropics and its Relation to “Tick Fever” in Africa. Journ. Trop. Med., 04 1, p. 97 (1905).Google Scholar
(3)Schaudinn, . Generations und Wirtwechsel bei Trypanosoma und Spirochaete. Arb. a. d. Kaiserl. Gesundheitsamte, Bd. XX. p. 387 (1904).Google Scholar
(4)Novy, and MacNeal, . On the Trypanosomes of Birds. Journ. Infect. Dis., 01. 12, p. 259, line 4 (1905).Google Scholar
(5)Laveran, and Mesnil, . Recherches morphologiques et expérimentales sur le Trypanosome des rats (Tr. Lewisi Kent). Ann. de l'inst. Pasteur, 09. 25, p. 988 (1901).Google Scholar
(6)Nuttall, . Scientific Research in Medicine (Address at Opening of Nineteenth Session of London School of Tropical Medicine). Journ. Trop. Med., 10. 16, p. 297 (1905).Google Scholar
(7)Massey, . Spirillosis in Portuguese West Africa. Journ. Trop. Med., 08. 1, p. 225 (1905).Google Scholar
(8)Wellmann, . Human Trypanosomiasis in Portuguese South-west Africa (Preliminary Note). Rep. rend. Am. Soc. Trop. Med. (1905).Google Scholar
(9)Id.. Relapsing Fever; Its Occurrence in the Tropics and its Relation to Tick Fever in Africa, [Am. Soc. Trop. Med.] American Medicine, vol. X. pp. 151155 (22. VII. 1905).Google Scholar
(10)Id. Interim Report on Trypanosomiasis in Portuguese South-west Africa. Report to same Society with 3 figures and 2 plates (1906).Google Scholar
(11)Id. On Ornithodoros moubata Murray: a Disease-bearing African Tick. Rep. (1906).Google Scholar
(12)Id. Glossina palpalis wellmani. A New Tsetse-Fly which disseminates Human Trypanosomiasis. Rep. with 5 figs. in text and 1 plate (1905).Google Scholar
(13)Dutton, . Preliminary Note upon a Trypanosoma occurring in the Blood of Man. Thompson-Yates Lab. Rep., Vol. IV. p. 563 (1902).Google Scholar
(14)Id. and Todd, . The Nature of Human Tick Fever in the Eastern Part of the Congo Free State with Notes on the Distribution and Bionomics of the Tick. Ann. Meeting B. M. A. 1905, pub. in Journ. Trop. Med., 08. 15, p. 244 (1905).Google Scholar
(15)Austen, . A new Subspecies of Glossina palpalis Rob-Desv., the disseminator of Sleeping Sickness. Ann. and Mag. Nat. Hist. Ser. 7, Vol. XV. p. 390 (1905).CrossRefGoogle Scholar
(16)Id. A Monograph of the Tsetse-Flies, p. 71, London (1903).Google Scholar