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Background: The recent geographic expansion of Leishmania infantum vectors in the triple border area of Argentina, Brazil, and Paraguay has highlighted the need to know the seasonality, parasite infection rate, and the factors that contribute the dispersal and handling of this parasite. Methods: Entomological, quantitative longitudinal studies were...

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... The females of Lu. longipalpis predominated in the summer and autumn (Fig. 4), whereas the females of Ny. whitmani predominated in the winter and spring (Fig. ...

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