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Biomédica

versão impressa ISSN 0120-4157

Resumo

ROJAS-GIL, Yesika  e  BROCHERO, Helena. New record of Aedes aegypti (Linnaeus, 1762), in the urban area of La Pedrera, Amazonas, Colombia. Biomédica [online]. 2008, vol.28, n.4, pp.587-596. ISSN 0120-4157.

Introduction. Before 2005, Aedes aegypti had not been recorded in the Colombian province of Amazonas. Because this species has been increasing its range throughout Colombia, an entomological surveillance program has been routinely directed toward detecting it presence in Amazonas by the Amazonas State Health Authority. Objective. Surveillance data were used as the basis for recording Aedes aegypti in Amazonas Province. Materials and methods. Household surveys of Ae. aegypti larvae were conducted by trained personnel belonging to the Amazonas State Health Authority. The following standard larval indices were estimated:  house index (HI)-the percentage of premises with positive containers, the container index (CI)-the percentage of positive containers among the water-holding containers, and the Breteau index (BI)-the number of positive containers per 100 premises. Residents were questioned concerning their perception of mosquito presence in their houses. Subsequently, control activities were undertaken to reduce the mosquito’s infestation. Results. Aedes aegypti was found in the urban area of the village of La Pedrera. During the first household survey, the indices were HI=29.6%, CI=9.0% and, BI=40.8%. After control activities, these values decreased; however, elimination of the infestation was not possible in this geographical area. The community recognizes the mosquito immature forms in water containers in houses and associated them as vectors of several diseases. Conclusion. The presence of Ae. aegypti mosquitoes in the village La Pedrera was verified. Aedes albopictus was not found in this area.

Palavras-chave : Aedes aegypti; surveillance; dengue; yellow fever; Colombia.

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