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Book (series)The continental atlas of the distribution of tsetse flies in Africa 2024
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No results found.Tsetse flies (Genus: Glossina) occur in sub-Saharan Africa, where they transmit trypanosomosis, a group of parasitic diseases that affect both animals and humans. Tsetse and trypanosomosis are a constant drain on the resources of poor African livestock keepers and they also impose a public health burden. Comprehensive data on the geographic distribution of tsetse flies is crucial to design evidence-based and cost-effective strategies against animal trypanosomoses, and it is also important in eliminating the human form of the disease. Despite this, the latest maps of tsetse distribution in Africa were published several decades ago. The present publication provides an update on the geographical distribution of tsetse flies in Africa. A total of 669 scientific publications spanning a period of 31 years (1990–2020) provided the input data, and almost 7 400 distinct geographical locations were mapped. Tsetse flies were recorded from a maximum latitude of 15° North in Senegal, to a minimum of 28.5° South in South Africa. Data coverage is uneven, and no eligible publication was found for Burundi, Guinea-Bissau, Liberia, Sierra Leone or Somalia. A dearth of information also affects a few other countries, such as Angola, the Congo, the Democratic Republic of the Congo and South Sudan. At the level of tsetse species, relatively abundant data were identified for the species of major veterinary and public health importance, especially of the riverine (palpalis) and savannah (morsitans) groups. By contrast, limited information is available on many species of the forest (fusca) group. The continental atlas of tsetse flies, in combination with the upcoming component on animal trypanosomosis, can be used by policy makers, practitioners and scientists engaged in the control and elimination of tsetse flies and trypanosomosis in Africa. It also provides a blueprint for national authorities to develop country-level information systems (i.e. "national atlases") to assist planning and monitoring of control activities at the national and local levels. -
ArticleThe continental Atlas of tsetse and African animal trypanosomosis in Nigeria 2020
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No results found.Tsetse-transmitted trypanosomosis remains a major animal health problem in Nigeria, in a context where changes in land cover, climate and control interventions are modifying its epidemiological patterns. Evidence-based decision making for the progressive control of the disease requires spatially-explicit information on its occurrence and prevalence, as well as on the distribution and abundance of the tsetse vector. The future development of a national Atlas of tsetse and AAT, relying on both published and unpublished information, could improve on the present review and provide further epidemiological evidence for decision making. -
ArticleA national atlas of tsetse and African animal trypanosomosis in Mali 2019
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No results found.Tsetse-transmitted trypanosomosis is a deadly, neglected tropical disease and a major challenge for mixed crop-livestock agriculture in sub-Saharan Africa. It is caused by several species of the genus Trypanosoma. Information on the occurrence of tsetse fies and African animal trypanosomosis (AAT) is available for diferent areas of Mali. However, these data have never been harmonized and centralized, which prevents the development of comprehensive epidemiological maps and constrains an evidence-based planning of control actions. To address this challenge, we created a dynamic geo-spatial database of tsetse and AAT distribution in Mali.
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