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Title: Investigation of the occurrence of mansonella ozzardi in the state of rondônia, Western Amazonia, Brazil
Other Titles: Investigação da ocorrência da mansonella ozzardi no estado de rondônia, amazônia ocidental
Authors: Basano, Sérgio de Almeida
Camargo, Juliana Souza Almeida Aranha
Vera, Luana Janaína Souza
Velasques, Suzane Neves
Ogawa, Guilherme Maerschner
Medeiros, Jansen Fernandes de
Fontes, Gilberto
Camargo, Luis Marcelo Aranha
Keywords: Blood Smear
Cerqueirellum Amazonicum
Cerqueirellum Argentiscutum
Cerqueirellum Pydanielli
Chirostilbia Pertinax
Controlled Study
Coscaroniellum Cauchense
Coscaroniellum Goeldii
Coscaroniellum Quadrifidum
Coscaroniellum Ulyssesi
Disease Carrier
Ectmnaspis Perflava
Ectmnaspis Rorotaense
Inequalium Subnigrum
Kempfsimulium Simplicicolor
Major Clinical Study
Mansonella Ozzardi
Notolepria Exiguua
Parasite Examination
Psaroniocompsa Minuscula
Shelleyllum Siolli
Species Comparison
Species Identification
Insect Vectors
Rural Population
Urban Population
Mansonella Ozzardi
Issue Date: 2011
metadata.dc.publisher.journal: Revista da Sociedade Brasileira de Medicina Tropical
metadata.dc.relation.ispartof: Volume 44, Número 5, Pags. 600-603
Abstract: Mansonella ozzardi, a human filarial nematode transmitted by Diptera Simuliidae flies (black flies), is widely spread in the Amazon, while the occurrence of mansonelliasis in the State of Rondônia (Western Amazonia) has not been reported thus far. The existence of this parasitic disease in this state is investigated in this study. Methods: A total of 4,452 people who lived alongside the Madeira, Mamore, Guapore, Machado and Preto Rivers, in the State of Rondônia, were examined using the thick blood smear method. Alongside the Machado and Guapore rivers, 2,112 adult simuliid specimens were captured. Results: Infected people were not reported, although simuliids with vector potential such as Cerqueirellum pydanielli, C. argentiscutum and C. amazonicum were found. Conclusions: This study registered no infected people. This finding may be explained by the individuals' low level of microfilaremia that is below the limit of detection of the diagnostic method used in the study or insufficient migration of people infected with M. ozzardi from endemic areas, making it impossible to introduce the disease into Rondônia. Further studies using more sensitive diagnostic techniques could shed light on this question.
metadata.dc.identifier.doi: 10.1590/S0037-86822011005000055
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