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      Factores relacionados con la presencia de Aedes aegypti (Diptera:Culicidae) en dos regiones de Cuba Translated title: Factors associated to the Aedes aegypti (Dipthera: Culicidae) presence in two Cuban regions

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          Abstract

          INTRODUCCIÓN: a pesar de los esfuerzos que el gobierno de Cuba realiza para ejercer el control sobre Aedes aegypti, vector del dengue, la presencia de este mosquito continúa en varios municipios de Ciudad de La Habana y otras provincias del país. OBJETIVO: conocer el comportamiento de aspectos relacionados con la presencia de Ae. aegypti en 2 regiones de Cuba. MÉTODOS: se realizó el muestreo completo del municipio Lisa, en la región occidental y el municipio Cienfuegos de la región sur central del país desde 2006 hasta 2008. Los métodos de captura de los mosquitos adultos fueron el cebo humano y la captura en reposo. Los aspectos comparados fueron: recipientes de cría utilizados por el mosquito, comportamiento temporal del número de recipientes con larvas, número de adultos capturados y la plasticidad ecológica del vector. RESULTADOS: en ambas regiones el tanque bajo fue el recipiente de mayor positividad. En la Lisa el segundo correspondió a las latas, mientras que en Cienfuegos fue el grupo de diversos. Cienfuegos presentó mayor número de recipientes con presencia de Ae. aegypti en 2006 mientras que en Lisa fueron superiores durante 2007 y 2008. En ambos municipios de forma general, más de 50 % de los recipientes positivos lo aportan los meses de agosto a noviembre. Ae. aegypti mostró mayor plasticidad ecológica en el municipio Lisa. CONCLUSIÓN: la presencia de Ae. aegypti en ambas regiones de Cuba presentó comportamiento similar en los aspectos comparados, se reportó diferencia solo en el número de tipos de recipientes utilizados por la especie para su cría.

          Translated abstract

          INTRODUCTION: despite the Cuban government's efforts to exert control over the dengue vector Aedes aegypti, this mosquito is still present in several municipalities of the City of Havana and those of other provinces. OBJECTIVE: to find out some aspects related to the existence of Ae. aegypti in 2 Cuban regions. METHODS: a complete sampling was performed in Lisa municipality located in the western region and in Cienfuegos municipality on the south central part of the country from 2006 to 2008. Capturing methods of adult mosquitoes include human bait and capture at rest. The aspects for comparison were breeding reservoirs used by the mosquito, number of reservoirs full of larvae at a time, number of captured adult mosquitoes and ecological plasticity of the vector. RESULTS: water tanks on the ground were the most positive containers to the Ae. aegypti presence in both regions. In Lisa municipality, the second type of container in positivity was the can, whereas in Cienfuegos municipality, the group of assorted containers held the second place. Cienfuegos exhibited the highest number of reservoirs with Ae. aegypti in 2006, but Lisa recorded the highest figures in 2007 and 2008. Generally speaking, over 50% of positive containers to the mosquito were found in both municipalities during August through November. CONCLUSIONS: Ae. aegypti showed similar behaviour with respect to the compared aspects in both regions; it was just different in the number of types of containers used by this species for breeding purposes.

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          Defining Challenges and Proposing Solutions for Control of the Virus Vector Aedes aegypti

          If done properly, say the authors,Aedes aegypti suppression is a practical method to control urban dengue, yellow fever, and chikungunya viruses.
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            Aedes aegypti in Puerto Rico: environmental determinants of larval abundance and relation to dengue virus transmission.

            In order to understand adquately the dynamics of vector-borne disease, one must understand how and why vector populations change over time. We describe a long-term, cooperative study of seasonal fluctuation in populations of the Aedes aegypti mosquito in Puerto Rico. During each month of the first 3 years of the project, A. aegypti was found breeding in all five communities studied. Mosquito density was positively correlated with rainfall, the relationship being more marked in the dry, south-coastal part of the island. Discarded tires and animal watering pans were the two most common larval breeding sites. In general, houses in Puerto Rico harbor more potential A. aegypti breeding sites than those in other tropical locations, probably because Puerto Rico is relatively more affluent.
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              Culícidos de Cuba

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                mtr
                Revista Cubana de Medicina Tropical
                Rev Cubana Med Trop
                Centro Nacional de Información de Ciencias Médicas (Ciudad de la Habana )
                1561-3054
                August 2010
                : 62
                : 2
                : 112-118
                Affiliations
                [1 ] Instituto de Medicina Tropical Pedro Kourí Cuba
                [2 ] Unidad Nacional de Vigilancia y Lucha Antivectorial. Cuba
                Article
                S0375-07602010000200005
                2253f958-37bd-4cdc-bd89-cbefdac0eaff

                http://creativecommons.org/licenses/by/4.0/

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                SciELO Cuba

                Self URI (journal page): http://scielo.sld.cu/scielo.php?script=sci_serial&pid=0375-0760&lng=en
                Categories
                TROPICAL MEDICINE

                Infectious disease & Microbiology
                Aedes aegypti,ecological plasticity,presence,Cuba,plasticidad ecológica,presencia

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