Journal
CADERNOS DE SAUDE PUBLICA
Volume 24, Issue 12, Pages 2747-2754Publisher
CADERNOS SAUDE PUBLICA
DOI: 10.1590/S0102-311X2008001200003
Keywords
Disease Vectors; Mosquito Control; Dengue
Categories
Funding
- Conselho Nacional de Desenvolvimento Cientfico e Tecnologico
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Population size and daily survival rates of disease vectors are important determinants of vectorial capacity. A mark-release-recapture experiment was conducted in a dengue endemic urban neighborhood of Rio de Janeiro, Brazil, to estimate population size, survival rate and vectorial capacity of Aedes aegypti females using back-pack aspirators and gravid sticky traps (MosquiTRAP). Estimations of the gravid female population size were different when using data gathered from just the MosquiTRAP (3,505 individuals) or aspirator (1,470). However Ae. aegypti survival rates and longevity were similar irrespective of the method of capture. Up to 26.3% of released females would be able to survive for more than 10 days, the length of time of the extrinsic incubation period. Vectorial capacity value ranged between 0.01567 and 0.4215 and the basic reproductive number (R-0) was estimated to be between 0.0695 and 1.88.
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