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Revista da Sociedade Brasileira de Medicina Tropical
Print version ISSN 0037-8682
GLASSER, Carmen Moreno et al. Behavior of immatures Aedes aegypti in the coast State of São Paulo, Brazil. Rev. Soc. Bras. Med. Trop. [online]. 2011, vol.44, n.3, pp. 349-355. Epub July 01, 2011. ISSN 0037-8682. http://dx.doi.org/10.1590/S0037-86822011005000042.
INTRODUCTION: In a region of high dengue incidence, on the coast of the State of São Paulo, 9 areas were selected to evaluate the behavior of immature Aedes aegypti. METHODS: The 9 areas were grouped into 4 strata according to soil use and occupation. Larvae and pupas were collected in a sample of approximately 500 buildings in each area. RESULTS: Although tires and canvas presented the highest positive rates for Aedes aegypti, drains and other containers fixed to the buildings were highly predominant among positive containers; 32 to 76% of the positive containers in the 4 study strata. Public areas of apartment buildings and large non-residential premises presented the highest positive rates for Aedes Aegypti, while apartments presented the lowest. Infestation levels were greater in residential areas with predominance of apartment buildings, where 76% of the breeding sites detected were containers fixed to the buildings. CONCLUSIONS: This knowledge is an important tool in the control strategy, since it reinforces the need for special attention regarding certain types of buildings and the adjustment of technical norms for pluvial water drains and improvement of building maintenance. Moreover, systematic observations are required to follow-up the occupancy dynamic of different buildings and containers by Aedes aegypti and the incorporation of this knowledge in the control of vectors in the region.
Keywords : Aedes aegypti; Control of vectors; Breeding sites; Types of buildings; Dengue.