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1 September 2011 Theoretical Formulation for Mosquito Host-Feeding Patterns: Application to a West Nile Virus Focus of Southern France
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Abstract

Host-feeding patterns play a key role in the transmission of vector-borne diseases such as West Nile fever, which involves two kinds of vertebrates, birds and mammals. In this study, we propose a theoretical formulation for mosquito host-feeding patterns using three quantities, as follows: the apparent attractiveness/contact probabilities, the conditional host (-feeding) preferences, and the enzootic versus bridge probabilities. Using results from host-baited trap collections, the quantities defined above were assessed for the most abundant mosquito species in the main West Nile virus focus of southern France. We found that host availability is important in determining the efficiency of bridge vectors, and that even ornithophilic mosquitoes like Culex species, classically classified as enzootic vectors, may turn out to be efficient bridge vectors in certain contexts of host abundance. Our developed theoretical framework can easily be adapted and applied to other experimental data and other vector-borne diseases.

© 2011 Entomological Society of America
Thomas Balenghien, Florence Fouque, Philippe Sabatier, and Dominique J. Bicout "Theoretical Formulation for Mosquito Host-Feeding Patterns: Application to a West Nile Virus Focus of Southern France," Journal of Medical Entomology 48(5), 1076-1090, (1 September 2011). https://doi.org/10.1603/ME10097
Received: 8 April 2010; Accepted: 1 May 2011; Published: 1 September 2011
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