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Interacting factors in the epidemiology of trypanosomiasis in an endemic/enzootic region of Uganda and its contiguous area of Kenya

Published online by Cambridge University Press:  19 September 2011

S. K. Moloo
S. K. Moloo
Affiliation:
International Laboratory for Research on Animal Diseases, P.O. Box 30709, Nairobi, Kenya
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Abstract

In south-eastern Uganda the natural hosts of Glossina pallidipes, G. fuscipes fuscipes and G. brevipalpis appear to influence trypanosome infection rates in these vectors. The transmission index of these vectors also differs. Temperature is yet another factor affecting trypanosome infection rates in these tsetses. Other factors probably also form important components in the transmission cycle. In this region of Uganda and its contiguous lake shore area of Kenya there are extant foci of the infections, and man and his symbiotic livestock are exposed to a high challenge of trypanosomiases. Furthermore, in this high endemic/enzootic ecological zone of tropical Africa, the transmission of trypanosome infections to the adventitious hosts, via the tsetse vectors, depends upon a variety of complex interacting factors.

Keywords

GlossinatrypanosomiasisKenyaUganda
Type
Research Article
Information
International Journal of Tropical Insect Science , Volume 1 , Issue 1: Epidemiology of African Trypanosomiasis , March 1980 , pp. 117 - 121
Copyright
Copyright © ICIPE 1980

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References

REFERENCES

Ashcroft, M. T. (1959) The importance of African wild animals as reservoirs of trypanosomiasis. East African Med. J. 36, 289–297.Google ScholarPubMed
Ashcroft, M. T., Burtt, E. and Fairbairn, H. (1959) The experimental infection of some African wild animals with Trypanosoma rhodesiense, T. brucei and T. congolense. Ann. trop. Med. Par asito I. 53, 147–161.CrossRefGoogle ScholarPubMed
Bell, H. (1909) Report on the measures adopted for the suppression of sleeping sickness in Uganda. Colonial Reports—Miscellaneous, 65, 3–27. H.M.S.O., London.Google Scholar
Boreham, P. F. L. and Gill, G. S. (1973) Serological identification of reptile feeds of Glossina. Acta Trop. 30, 1 356–365.Google ScholarPubMed
Bruce, D., Nabarro, D. and Greig, E. D. W. (1903) Futher report on sleeping sickness in Uganda. Report of Sleeping Sickness Commission of Royal Society 4, 3.Google Scholar
Burridge, M. J., Pullan, N. B., Reid, H. W., Southerst, R. W. and Wain, E. B. (1967) A survey of trypanosome infections in wild animals in Busoga, Uganda. East African Trypanosomiases Research Organization Annual Report for 1966, pp. 60–62.Google Scholar
Buxton, P. A. (1955) The natural history of tsetse fly. London School of Hygiene and Tropical Medicine Memoir 10. H. K. Lewis, London.Google Scholar
Doyle, J. J. (1977) Antigenic variation in the salivarian trypanosomes. Adv. Exp. Med. Biol. 93, 31–63.CrossRefGoogle ScholarPubMed
Ford, J. and Leggate, B. M. (1961) The geographical and climatic distribution of trypanosome infection rates in the G. morsitans group of tsetse flies. Trans. R. Soc. trop. Med. Hyg. 55, 383–397.CrossRefGoogle Scholar
Garnham, P. C. C. (1960) Blood parasites of hippopotamus in Uganda. East Afr. Med. J. 37, 495.Google ScholarPubMed
Gray, A. R. (1965a) Antigenic variation in a strain of Trypanosoma brucei transmitted by Glossina morsitans and G. palpalis. J. gen. Microbiol. 41, 195–214.CrossRefGoogle Scholar
Gray, A. R. (1965b) Antigenic variation in clones of Trypanosoma brucei. Ann. trop. Med. Parasitol. 59, 27–36.CrossRefGoogle ScholarPubMed
Guilbride, P. P. L., Coyle, T. J., McAnulty, E. G., Baker, L. and Lomax, G. D. (1962) Some pathogenic agents found in hippopotamus in Uganda. J. Comp. Pathol. 72, 137–141.CrossRefGoogle ScholarPubMed
Harley, J. M. B. (1966) Studies on age and trypanosome infection rate in females of Glossina pallidipes Aust, G. palpalis fuscipes Newst. and G. brevipalpis Newst. Bull. Ent. Res. 57, 23–37.CrossRefGoogle Scholar
Harley, J. M. B. and Wilson, A. J. (1968) Comparison between Glossina morsitans, G. pallidipes and G. fuscipes as vectors of trypanosomes of the Trypanosoma congo-lense group: the proportions infected experimentally and the numbers of infective organisms extruded during feeding. Ann. trop. Med. Parásitol. 62, 178–187.Google Scholar
Hornby, H. E. (1952) Animal Trypanosomiasis in East Africa, 1949. H.M.S.O., London.Google Scholar
Jordan, A. M. (1964) Trypanosome infection rates in Glossina morsitans submorsitans Newst., in Northern Nigeria. Bull. ent. Res. 55, 219–231.CrossRefGoogle Scholar
Jordan, A. M. (1965) The hosts of Glossina as the main factor affecting trypanosome infection rates of tsetse flies in Nigeria. Trans. R. Soc. trop. Med. Hyg. 59, 423–431.CrossRefGoogle ScholarPubMed
Kinghorn, A., Yorke, W. and Lloyd, L. L. (1913) Final report of the Luangwa Sleeping Sickness Commission of the British South Africa Company 1911–1912. Ann. trop. Med. Parasitol. 7, 183–302.CrossRefGoogle Scholar
Lloyd, L. L. and Johnson, W. R. (1924) The trypanosome infections of tsetse flies in northern Nigeria and a newf method of estimation. Bull. ent. Res. 14, 265–288.CrossRefGoogle Scholar
Lumsden, W. H. R. (1962) Trypanosomiasis in African wild life. 1st Int. Conf. Wild Life Disease, New York, 24–27 January, 68–88.Google Scholar
MacKichan, I. W. (1944) Rhodesian sleeping sickness in. eastern Uganda. Trans. R. Soc. trop. Med. Hyg. 38, 49–60.CrossRefGoogle Scholar
Moloo, S. K. (1973) Relationship between hosts and trypanosome infection rates of Glossina swynnertoni Aust. in the Serengeti National Park, Tanzania. Ann. trop. Med. Parasitol. 67, 205–211.CrossRefGoogle ScholarPubMed
Moloo, S. K. and Kutuza, S. B. (1970) Preliminary report on the annual feeding patterns of Glossina. East African Trypanosomiases Research Organization Annual Report for 1970, pp. 33–36.Google Scholar
Moloo, S. K. and Kutuza, S. B. (1974) Sleeping Sickness survey in Musoma District, Tanzania: Further study on the vector role of Glossina. Trans. R. Soc. trop. Med. Hyg. 68, 403–09.CrossRefGoogle Scholar
Moloo, S. K., Steiger, R. F. and Brun, R. (1973) Trypanosome infection rates in Glossina swynnertoni and G. pallidipes in Ikoma, Musoma District, Tanzania. Parasitol. 66, 259–267.CrossRefGoogle Scholar
Moloo, S. K., Steiger, R. F., Brun, R. and Boreham, P. F. L. (1971) Sleeping Sickness survey in Musoma District, Tanzania. II. The role of Glossina in the transmission of Sleeping Sickness. Acta Trop. 28, 189–205.Google ScholarPubMed
Moloo, S. K., Kutuza, S. B. and Boreham, P. F. L. (1979) Studies on Glossina pallidipes, G. fuscipes fuscipes and G. brevipalpis in terms of the epidemiology and epizooti-ology of trypanosomiases in south-eastern Uganda. Ann. trop. Med. Parasitol. in press.CrossRefGoogle Scholar
Nash, T. A. M. (1944) A low density of tsetse flies associated with a high incidence of sleeping sickness. Bull. Entomol. Res. 35, 51.CrossRefGoogle Scholar
Nash, T. A. M. (1948) Tsetse Flies in British West Africa. H.M.S.O., London.Google Scholar
Onyango, R. J. (1969) New concepts in the epidemiology of Rhodesian sleeping sickness. Bull. World Health Org. 41, 815–823.Google ScholarPubMed
Onyango, R. J., Hoeve, K. van and Raadt, P. de (1966) The epidemiology of Trypanosoma rhodesiense sleeping sickness in Alego location, Central Nyanza, Kenya. I. Evidence that cattle may act as reservoir hosts of trypanosomiasis infective to man. Trans. R. Soc. trop. Med. Hyg. 60, 175–182.CrossRefGoogle ScholarPubMed
Raadt, P. de (1974) Immunity and antigenic variation: clinical observations suggestive of immune phenomena in African trypanosomiasis. In Trypanosomiasis and Leishmaniasis, pp. 199–216. Ciba Foundation Symposium 20 (new series). Associated Scientific Publishers, The Netherlands.Google Scholar
Rogers, A., Kenyanjui, E. N. and Wiggwah, A. K. (1972) A high infection rate of Trypanosoma brucei subgroup in Glossina fuscipes. Parasitology 65, 143–146.CrossRefGoogle Scholar
Sequiera, L. A. F. de (1935) Rapport de la mission medicale à la Colonie de Guinée en 1932. Ecole Med. trop., Lisbon.Google Scholar
Silva, M. A. de Andrade and Dasilva, J. Marques (1958) On the incidence of trypanosomiasis in game. International Scientific Committee for Trypanosomiasis Research 7th Meeting, pp. 269–272.Google Scholar
Southon, H. A. W. (1963) The hosts of Glossina in South Busoga, Uganda. East African Trypanosomiases Research Organization Annual Report for 1961, pp. 35–37.Google Scholar
Vanderplank, F. L. (1947) Seasonal and annual variation in the incidence of trypanosomiasis in game. Ann. Trop. Med. Parasitol. 41, 365–374.CrossRefGoogle ScholarPubMed
Weitz, B. (1956) Identification of blood meals of bloodsucking arthropods Bull. World Health Org. 15, 473–490.Google Scholar
Weitz, B. (1963) The feeding habits of Glossina. Bull. Wld Hlth Org. 28, 711–729.Google ScholarPubMed
Wilson, A. J., Dar, F. K. and Paris, J. (1972) A study on the transmission of Salivarian trypanosomes isolated from wild tsetse flies. Trop. Anim. Hlth Prod. 4, 14–22.CrossRefGoogle Scholar
Wilson, A. J., Paris, J. and Dar, F. K. (1975) Maintenance of a herd of breeding cattle in an area of high trypanosome challenge. Trop. Anim. Hlth Prod. 7, 63–71.CrossRefGoogle Scholar