Distribution of dengue vectors in neighborhoods with different urbanization types of Manaus, state of Amazonas, Brazil
Mem. Inst. Oswaldo Cruz
; 102(5): 617-623, Aug. 2007. mapas, tab, graf
Article
en En
| LILACS
| ID: lil-458634
Biblioteca responsable:
BR1.1
ABSTRACT
Aedes aegypti and Ae. albopictus are vectors of dengue viruses, which cause endemic disease in the city of Manaus, capital of the state of Amazonas, Brazil. More than 53 thousand cases have been registered in this city since the first epidemic in 1998. We evaluated the hypothesis that different ecological conditions result in different patterns of vector infestation in Manaus, by measuring the infestation level in four neighborhoods with different urbanization patterns, during the rainy (April), dry (August), and transitional (November) seasons. Ae. aegypti predominated throughout the study areas and sampling periods, representing 86 percent of all specimens collected in oviposition traps. High frequencies of houses positive for both species were observed in all studied sites, with Ae. aegypti present in more than 84 percent of the houses in all seasons. Ae. albopictus, on the other hand, showed more spatial and temporal variation in abundance. We found no association between infestation level and house traits. This study highlights the homogeneity of dengue vector distribution in Manaus.
Palabras clave
Texto completo:
1
Colección:
01-internacional
Base de datos:
LILACS
Contexto en salud:
3_ND
Problema de salud:
3_dengue
/
3_neglected_diseases
Asunto principal:
Aedes
/
Insectos Vectores
Límite:
Animals
/
Humans
País/Región como asunto:
America do sul
/
Brasil
Idioma:
En
Revista:
Mem. Inst. Oswaldo Cruz
Asunto de la revista:
MEDICINA TROPICAL
/
PARASITOLOGIA
Año:
2007
Tipo del documento:
Article
País de afiliación:
Brasil