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Título: | Variation in Aedes aegypti (Linnaeus) (Diptera, Culicidae) infestation in artificial containers in Caxias, State of Maranhão, Brazil |
Título(s) alternativo(s): | Variação da infestação de Aedes aegypti (Linnaeus), (Diptera, Culicidae) em recipientes artificiais em Caxias, Estado do Maranhão, Brasil |
Autor: | Silva, Joelma Soares da Ibiapina, Sebastiana Silva Bezerra, Juliana Maria Trindade Tadei, Wanderli Pedro Pinheiro, Valéria Cristina Soares |
Palavras-chave: | Aedes Aegypti Breeding Building Material Container Controlled Study Disease Carrier Flask Geographical Variation (species) Infestation Motor Vehicle Tire Nonhuman Rural Area Seasonal Variation Trend Study Urban Area Vase Aedes Animal Disease Reservoirs Insect Vectors Population Density Seasons Aedes Aegypti Culicidae Diptera |
Data do documento: | 2012 |
Revista: | Revista da Sociedade Brasileira de Medicina Tropical |
É parte de: | Volume 45, Número 2, Pags. 174-179 |
Abstract: | Introduction: Dengue is a serious public health problem worldwide, with cases reported annually in tropical and subtropical regions. Aedes aegypti (Linnaeus, 1762), the main vector of dengue, is a domiciliary species with high dispersal and survival capacities and can use various artificial containers as breeding sites. We assessed potential container breeding sites of A. aegypti in the municipality of Caxias, Maranhão, Brazil. Methods: In the initial phase, we analyzed 900 properties in 3 neighborhoods during the dry and rainy seasons (August- October 2005 and February-April 2006, respectively). During the second sampling period, September 2006-August 2007, we used 5 assessment cycles for 300 properties in a single neighborhood. Results: During the dry and rainy seasons, water-storage containers comprised 55.7% (n = 1,970) and 48.5% (n = 1,836) of the total containers inspected, and showed the highest productivity of immature A. aegypti; we found 23.7 and 106.1 individuals/container, respectively, in peridomicile sites. In intradomicile sites, water-storage containers were also the most important breeding sites with 86.4% (n = 973) and 85.6% (n = 900) of all containers and a mean of 7.9 and 108.3 individuals/container in the dry and rainy seaso-October 2006 (1,342). The highest number of positives (70) was recorded in May, mostly (94%) in storage containers. Conclusions: Storage containers are the principal and most productive A. aegypti breeding sites and are a major contributing factor to the maintenance of this vector in Caxias. |
DOI: | 10.1590/S0037-86822012000200007 |
Aparece nas coleções: | Artigos |
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