The untidy tropical diseases are a group of infectious diseases met especially in the rural zones or in the urban and poor areas of low-income countries and intermediary, and which establish(constitute) themselves aggravating factors(mailmen) of poverty. Compared with diseases as the AIDS, the malaria and the tuberculosis, the study and the effort of fight(wrestling) against these infectious diseases are much less developed in terms of invested(surrounded) funds(collections), programs of search(research) and public health policies. This thesis(theory) aims at making a contribution to the study of the untidy tropical diseases, by means of theoretical works situated in the interface between the modelling and the ecology, the evolution and the control of these diseases. The obtained and controversial results(profits) carry(wear) more particularly
