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A changing environment and the epidemiology of tsetse-transmitted livestock trypanosomiasis

Van Den Bossche P., De La Rocque S., Hendrickx G., Bouyer J.. 2010. Trends in Parasitology, 26 (5) : p. 236-243.

DOI: 10.1016/j.pt.2010.02.010

The distribution, prevalence and impact of vector-borne diseases are often affected by anthropogenic environmental changes that alter the interactions between the host, the parasite and the vector. In the case of tsetsetransmitted livestock trypanosomiasis these changes are a result of the encroachment of people and their livestock into tsetse-infected wild areas. This has created a sequence of new epidemiological settings that is changing the relative importance of the domestic or sylvatic trypanosome transmission cycles and is causing concomitant changes in the impact of the disease on livestock. These changes in the dynamics of the epidemiology have an important impact on the factors that need to be considered when developing area-specific strategies for the future management.

Mots-clés : trypanosoma; Épidémiologie; transmission des maladies; glossina; vecteur de maladie; facteur du milieu; facteur écologique; relation hôte parasite; interactions biologiques; bétail; animal sauvage; animal domestique; Étude de cas; afrique; afrique occidentale; burkina faso; zambie; togo; malawi

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