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Proc Biol Sci. 2004 February 7; 271(1536): 301–309. | PMCID: PMC1691597 |
Combining zooprophylaxis and insecticide spraying: a malaria-control strategy limiting the development of insecticide resistance in vector mosquitoes. Isao Kawaguchi, Akira Sasaki, and Motoyoshi Mogi Department of Biology, Faculty of Science, Kyushu University Graduate Schools, Fukukoka, Japan. kawag@bio-math10.biology.kyushu-u.ac.jp Strategies to eradicate the vector-borne infectious diseases (e.g. malaria and Japanese encephalitis) are often directed at controlling vectors with insecticides. Spraying insecticide, however, opens the way for the development of insecticide resistance in vectors, which may lead to the failure of disease control. In this paper, we examine whether the combined use of insecticide spray and zooprophylaxis can limit the development of insecticide resistance in mosquitoes. Zooprophylaxis refers to the control of vector-borne diseases by attracting vectors to domestic animals in which the pathogen cannot amplify (a dead-end host). The human malaria parasite Plasmodium spp. has a closed transmission cycle between humans and mosquitoes, and hence cattle can serve as a dead-end host. Our model reveals that, by a suitable choice of insecticide spraying rate and cattle density and location, malaria can, in some situations, be controlled without mosquitoes developing insecticide resistance. The Full Text of this article is available as a PDF (147K). These references are in PubMed. This may not be the complete list of references from this article. - Bouma M, Rowland M. Failure of passive zooprophylaxis: cattle ownership in Pakistan is associated with a higher prevalence of malaria. Trans R Soc Trop Med Hyg. 1995 Jul–Aug;89(4):351–353. [PubMed]
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