Autor(es): Tstuzuki, Ataru; Vu Trong Duoc; Higa, Yukiko; Nguyen Thi Yen; Takagi, Masahiro

Resumo: To determine the effect of peridomestic environments on Aedes aegypti infestation in urban premises, we conducted two consecutive surveys in the hot-dry and cool-wet seasons. Most Ae. aegypti pupae (79%,) were recovered from premises where preadult forms (larvae and/or pupae) had been detected in both surveys. Hence, repeated infestation appears to be a useful parameter to identify premises associated with a high potential risk of dengue transmission. Multivariate analysis revealed that not only the persistent presence of containers discarded outdoors, wells, large plastic buckets, jars, and concrete toilet basins in the premises (adjusted odds ratios [aORs] = 63.3, 23.3, 22.5, 6.6, and 5.6, respectively) but also the presence of six or more residents was significantly associated with repeated infestation (aOR = 6.1). Premises with six or more residents along with specific container types from which a large number of pupae were recovered should be targeted in dengue-control programs.

Palavras-Chave: Diptera; Culicidae; Dengue; Oviposition; Mosquitos; Albopictus; Gradient

Imprenta: American Journal of Tropical Medicine and Hygiene, v. 81, n. 4, p. 645-650, 2009

Identificador do objeto digital: 10.4269/ajtmh.2009.08-0175

Descritores: Aedes aegypti - Dengue ; Aedes aegypti - Public health

Data de publicação: 2009