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  • Title: Recirculation of Trypanosoma brucei brucei in cattle after T. congolense challenge by tsetse flies.
    Author: Van den Bossche P, De Deken R, Brandt J, Seibou B, Geerts S.
    Journal: Vet Parasitol; 2004 May 07; 121(1-2):79-85. PubMed ID: 15110405.
    Abstract:
    The effect of challenging cattle, chronically infected with Trypanosoma brucei brucei, with T. congolense on the development of the T. b. brucei infection was investigated. For this purpose, nine experimental animals were first infected with T. b. brucei through the bites of infected tsetse flies. Once the T. b. brucei had developed into a chronic infection, that was difficult to detect using routine parasitological diagnostic tools, seven of the experimental animals were challenged by tsetse flies infected with T. congolense. Two of the animals infected with T. b. brucei were kept as control. The infection with T. congolense resulted in a sudden increase in the parasitaemia of T. b. brucei. In the T. b. brucei control animals, on the other hand, the parasitaemia remained below the level of detection. The epidemiological repercussions of this increase in the parasitaemia of T. b. brucei after infection with T. congolense are discussed.
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