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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 104, No. 4, 2009, pp. 570-575
Bioline Code: oc09131
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 104, No. 4, 2009, pp. 570-575

 en Use of geoprocessing to define malaria risk areas and evaluation of the vectorial importance of anopheline mosquitoes (Diptera: Culicidae) in Espírito Santo, Brazil
Meneguzzi, Viviane Coutinho; dos Santos, Claudiney Biral; Pinto, Israel de Souza; Feitoza, Leandro Roberto; Feitoza, Hideko Nagatani & Falqueto, Aloísio


In Brazil, introduced malaria occurs from the flat to the sloping hot areas, predominantly outside the Amazon Region, where endemic malaria has occurred in the past. This is a consequence of human migrations to other Brazilian states, including the state of Espírito Santo (ES). The objective of this study was to use geoprocessing to define the areas at risk of introduced malaria transmission and evaluate the vectorial importance of species of anophelines in ES. Anophelines were sampled from 1997-2005 in 297 rural localities identified or not identified as foci of malaria during the last 20 years. The geoclimatic variables temperature, relief and marine influence were obtained from a database of the ES Natural Units. The 14,663 anophelines captured belonged to 22 species. A significant association was found between the occurrence of malaria foci and the presence of hot, low-lying areas or gently undulating to undulating relief. The occurrence of the disease was associated with the presence of Anopheles darlingi check for this species in other resources and Anopheles aquasalis check for this species in other resources . Geoprocessing was determined to be a useful tool for defining areas at risk for malaria and vectors in ES.

malaria - Anopheles - geoclimatic variables - Espírito Santo - Brazil

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