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The identical electrophoretic isoenzyme patterns of a human-plasma-resistant Trypanozoon stock from a sheep and of two other stocks from trypanosomiasis patients in the Congo Republic indicated that the sheep stock was probably infective to man. These, and one further human stock from the Congo, closely resembled stocks isolated from man in Liberia and(More)
Although the high frequency of hypogonadism was found during the sleeping sickness, the physiological properties of the gonads have been poorly studied. We reported here the exploration of the gonadotropic axis in 79 patients infected by Trypanosoma brucei gambiense. It has been noted a decrease in oestradiol for 50% of women, in testosterone levels for 50%(More)
Biological and biochemical characterization of 36 human and 5 animal congolese stocks of Trypanosoma brucei were performed. One human and all the animal stocks showed a quick adaptation to rodent host whereas the other 35 human stocks were characterized by a low virulence degree (Group 1 of T. gambiense). The virulent stocks showed hybridization patterns(More)
Parasitological and serological tests were performed in 1287 domestic animals originating from the Brazzaville area and three sleeping sickness foci in Congo. Nannomonas and Trypanozoon were the only sub-genera present in the blood of animals, with prevalences of 16.9% and 0.5%, respectively. The use of Testryp CATT allowed a better estimation of the real(More)
Spontaneous red blood cells' auto-agglutination was assessed as an indicator for the diagnosis of human African trypanosomiasis. This test is easily carried out by health workers with minimum qualification. It presents a high sensitivity (0.91) and a high predictive value of a negative result (0.99). Although a positive result gives a low indication of(More)
A large-scale control trial against Glossina palpalis palpalis was carried out in the Congo using a new trapping technique. In the same way a test related to the experimental utilization of sentinel animals was performed, concurrently to the classical epidemiological and entomological evaluation. 564 domestic animals (pigs, sheep, goats) were examined(More)
A statistical analysis was conducted, in order to compare the variations in values of a) blood samples obtained with several finger-pricks from the same individual in a short period of time, and b) blood samples obtained from the same finger-puncture. No significant difference was observed: both groups seem to follow a negative binomial distribution, the(More)
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