Publications by authors named "J P Gouteux"

A matrix model is used to describe the dynamics of a population of female tsetse flies structured by parity (i.e., by the number of larvae laid).

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The concept of "risk" is important in epidemiology but is often used in a confused way for sleeping sickness. Using a rigorous approach resulting from mathematical modelling, new virtual entomological risk indicators and parasitological transmission indexes derived from the basic reproduction rate R0 are proposed and discussed.

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An agent-based model (AMB) used to simulate the spread of Human African Trypanosomiasis is presented together with the results of simulations of a focus of the disease. This model is a completely spatialized approach taking into account a series of often overlooked parameters such as human behaviour (activity-related movements), the density and mobility of the disease vectors--tsetse flies (Glossina spp.)--and the influence of other tsetse feeding hosts (livestock and wild animal populations).

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Observations on the parasitism of Glossina palpalis palpalis by Hexamermis glossinae were carried out over a period of one year by catching flies at Abengourou, Aboisso and Daloa (forested area of Ivory Coast). No parasite is observed out of 2,168 Glossina palpalis palpalis caught in Abengourou and 9,732 in Aboisso. At Daloa, dissections of 7,341 Glossina reveal 1.

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A density-dependent model is used to describe the dynamics of an open population of tsetse flies (Diptera: Glossinidae). Immigration (or emigration) takes place when the total population is below (or above) a biologically determined threshold value. The population is also subjected to birth and death rates, as well as to the risk of being trapped (continuously or intermittently).

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