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Revista de Salud Pública

Print version ISSN 0124-0064


RESTREPO-ALAPE, Leonardo D; TORO-ZAPATA, Hernán D  and  MUNOZ-LOAIZA, Aníbal. A mathematical model for the chemical control of Aedes aegypti (Diptera: Culicidae) having acquired chemical resistance. Rev. salud pública [online]. 2010, vol.12, n.6, pp.1033-1041. ISSN 0124-0064.

Dengue fever is a common vector-borne disease in tropical and subtropical areas. It is transmitted to humans by the bite of an infected female Aedes mosquito. Since no vaccines are currently available which can protect against infection, disease control relies on controlling the mosquito population. This work was aimed at modelling such mosquito's population dynamics regarding chemical control of the adult population and its acquired resistance to chemicals. The model was analysed by using classical dynamic system theory techniques and mosquito growth threshold was determined as this establishes when a particular population may prosper in the environment or when it is likely to disappear. A suitable chemical control strategy was developed from such threshold. Simulations were made in control and non-control scenarios; this determined the degree of control application effectiveness against different levels of acquired resistance.

Keywords : Mathematical model; dengue; vector control.

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