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      Estudos ecológicos sobre mosquitos Culicidae no Sistema da Serra do Mar, Brasil: 2 - Observações no ambiente domiciliar Translated title: Ecological studies on Culicidae mosquitoes in the Serra do Mar Sistem, Brazil: 2 - Observations at the domiciliary environment

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          Abstract

          Apresentam-se os resultados obtidos nas coletas domiciliares de mosquitos Culicidae no Vale do Ribeira, Estado de São Paulo, Brasil. Com o objetivo de esclarecer o mecanismo de transmissão de encefalite por vírus, ali ocorrida em caráter epidêmico, seguiu-se a mesma orientação das observações realizadas no extradomicílio. Para tanto baseou-se a diferenciação das localidades trabalhadas, nas características do terreno, na ocorrência de casos da doença e no caráter rural e urbano das habitações. Os dados obtidos sugeriram possível ocorrência de transmissão domiciliar da virose. As espécies que apresentaram maior significância nesse sentido foram Aedes scapularis e representantes de Culex (Melanoconion) sp. A possível transmissão domiciliar por culicídeos mostrou-se mais evidente na zona rural do que na urbana.

          Translated abstract

          Results obtained through domiciliary catches of Culicidade mosquitoes in the "Vale do Ribeira" S. Paulo, Brazil are given on a study of the mechanisms of local encephalitis transmission. The same orientation for extra-domiciliary observation was followed. Significant presence of Aedes scapularis and Culex (Melanoconion) sp. in indoor catches suggested their participation in domiciliary transmission. This pattern was more evident in the rural areas than the urban ones. Association of these findings to the occurrence of clinical cases of the disease in young children is suggested.

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          Studies of the Biting-habits of African Mosquitos. An Appraisal of Methods employed, with special Reference to the twenty-four-hour Catch

          A. Haddow (1954)
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            Studies on the biting habits and medical importance of East African mosquitoes in the genus Aedes: I - Subgenero Aedimorphus, Banksinella and Nunnius

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              Emergence of a new arbovirus disease in Brazil. I. Isolation and characterization of the etiologic agent, Rocio virus.

              In April, 1975, an epidemic of human encephalitis was detected in several counties in the State of São Paulo, Brazil; the epidemic continued into 1976. A virus was isolated from central nervous system (CNS) tissues of a 39-year-old male who died on December 8, 1975; the virus was found to be a new flavivirus for which the name Rocio virus is proposed. Nine further isolations of Rocio virus were obtained from CNS tissues of 17 patients who died with clinical symptoms of encephalitis. Isolations of virus and serologic evidence of Rocio virus infection in a significant proportion of the encephalitis patients suggested that Rocio virus was the etiologic agent of the epidemic. Rocio virus was isolated only from patients who died within 5 days of onset of illness. The virus was isolated from two sentinel mice exposed in the epidemic zone and from a rufous collared sparrow (Zonotrichia capensis) collected in the area.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                rsp
                Revista de Saúde Pública
                Rev. Saúde Pública
                Faculdade de Saúde Pública da Universidade de São Paulo (São Paulo )
                1518-8787
                December 1978
                : 12
                : 4
                : 476-496
                Affiliations
                [1 ] Universidade de São Paulo Brazil
                Article
                S0034-89101978000400008
                10.1590/S0034-89101978000400008
                752920
                e8388c46-77d0-4bdc-ac41-acbbc97a3e2c

                http://creativecommons.org/licenses/by/4.0/

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                SciELO Brazil

                Self URI (journal page): http://www.scielosp.org/scielo.php?script=sci_serial&pid=0034-8910&lng=en
                Categories
                Health Policy & Services

                Public health
                Arboviruses,Encephalitis viruses,Aedes scapularis,Culex (Melanoconion) sp,Encephalitis epidemic,Culicidae,Arboviroses,Encefalite,Encefalite epidêmica,Culex

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