Dengue and dengue hemorrhagic fever epidemics in Brazil: what research is needed based on trends, surveillance, and control experiences?

Detalhes bibliográficos
Autor(a) principal: Teixeira, Maria da Glória
Data de Publicação: 2005
Outros Autores: Costa, Maria da Conceição Nascimento, Barreto, Maurício Lima, Mota, Eduardo
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Cadernos de Saúde Pública
Texto Completo: https://cadernos.ensp.fiocruz.br/ojs/index.php/csp/article/view/2593
Resumo: Dengue epidemics account annually for several million cases and deaths worldwide. The high endemic level of dengue fever and its hemorrhagic form correlates to extensive domiciliary infestation by Aedes aegypti and multiple viral serotype human infection. This study analyzed serial case reports registered in Brazil since 1981, describing incidence evolutionary patterns and spatial distribution. Epidemic waves followed the introduction of every serotype (DEN 1 to 3), and reduction in susceptible individuals possibly accounted for decreasing case frequency. An incremental expansion of affected areas and increasing occurrence of dengue fever and its hemorrhagic form with high case fatality were noted in recent years. In contrast, efforts based solely on chemical vector control have been insufficient. Moreover, some evidence demonstrates that educational measures do not permanently modify population habits. Thus, as long as a vaccine is not available, further dengue control depends on potential results from basic interdisciplinary research and intervention evaluation studies, integrating environmental changes, community participation and education, epidemiological and virological surveillance, and strategic technological innovations aimed to stop transmission.
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spelling Dengue and dengue hemorrhagic fever epidemics in Brazil: what research is needed based on trends, surveillance, and control experiences?DengueDengue Hemorrhagic FeverIncidenceDengue epidemics account annually for several million cases and deaths worldwide. The high endemic level of dengue fever and its hemorrhagic form correlates to extensive domiciliary infestation by Aedes aegypti and multiple viral serotype human infection. This study analyzed serial case reports registered in Brazil since 1981, describing incidence evolutionary patterns and spatial distribution. Epidemic waves followed the introduction of every serotype (DEN 1 to 3), and reduction in susceptible individuals possibly accounted for decreasing case frequency. An incremental expansion of affected areas and increasing occurrence of dengue fever and its hemorrhagic form with high case fatality were noted in recent years. In contrast, efforts based solely on chemical vector control have been insufficient. Moreover, some evidence demonstrates that educational measures do not permanently modify population habits. Thus, as long as a vaccine is not available, further dengue control depends on potential results from basic interdisciplinary research and intervention evaluation studies, integrating environmental changes, community participation and education, epidemiological and virological surveillance, and strategic technological innovations aimed to stop transmission.As epidemias de dengue são responsáveis por milhões de casos e óbitos no mundo, anualmente. O alto nível endêmico desta doença está relacionado à elevada infestação domiciliar pelo Aedes aegypti e infecções humanas pelos diferentes sorotipos do agente. Este estudo analisa os casos registrados no Brasil, descrevendo os padrões da evolução da incidência e sua distribuição espacial. Observou-se que as curvas epidêmicas delineadas após a introdução de cada sorotipo do vírus, e a redução da população de susceptíveis, possivelmente, foram responsáveis pelo declínio das epidemias. Expansão das áreas afetadas e aumento de casos de febre hemorrágica do dengue com alta letalidade foram observados em anos recentes. Esforços baseados apenas no combate vetorial químico têm sido insuficientes para impedir a circulação viral. Evidências demonstram que ações de educação não modificam permanentemente hábitos da população. Enquanto não se dispuser de vacina efetiva para a sua prevenção, o controle dependerá de potenciais resultados de pesquisas interdisciplinares e de mudanças ambientais que dificultem a reprodução do vetor, educação e participação comunitária, vigilância epidemiológica e virológica, e inovações tecnológicas estratégicas com o objetivo de interromper a transmissão.Reports in Public HealthCadernos de Saúde Pública2005-10-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlapplication/pdfhttps://cadernos.ensp.fiocruz.br/ojs/index.php/csp/article/view/2593Reports in Public Health; Vol. 21 No. 5 (2005): September/OctoberCadernos de Saúde Pública; v. 21 n. 5 (2005): Setembro/Outubro1678-44640102-311Xreponame:Cadernos de Saúde Públicainstname:Fundação Oswaldo Cruz (FIOCRUZ)instacron:FIOCRUZenghttps://cadernos.ensp.fiocruz.br/ojs/index.php/csp/article/view/2593/5202https://cadernos.ensp.fiocruz.br/ojs/index.php/csp/article/view/2593/5203Teixeira, Maria da GlóriaCosta, Maria da Conceição NascimentoBarreto, Maurício LimaMota, Eduardoinfo:eu-repo/semantics/openAccess2024-03-06T15:27:06Zoai:ojs.teste-cadernos.ensp.fiocruz.br:article/2593Revistahttps://cadernos.ensp.fiocruz.br/ojs/index.php/csphttps://cadernos.ensp.fiocruz.br/ojs/index.php/csp/oaicadernos@ensp.fiocruz.br||cadernos@ensp.fiocruz.br1678-44640102-311Xopendoar:2024-03-06T13:03:01.807755Cadernos de Saúde Pública - Fundação Oswaldo Cruz (FIOCRUZ)true
dc.title.none.fl_str_mv Dengue and dengue hemorrhagic fever epidemics in Brazil: what research is needed based on trends, surveillance, and control experiences?
title Dengue and dengue hemorrhagic fever epidemics in Brazil: what research is needed based on trends, surveillance, and control experiences?
spellingShingle Dengue and dengue hemorrhagic fever epidemics in Brazil: what research is needed based on trends, surveillance, and control experiences?
Teixeira, Maria da Glória
Dengue
Dengue Hemorrhagic Fever
Incidence
title_short Dengue and dengue hemorrhagic fever epidemics in Brazil: what research is needed based on trends, surveillance, and control experiences?
title_full Dengue and dengue hemorrhagic fever epidemics in Brazil: what research is needed based on trends, surveillance, and control experiences?
title_fullStr Dengue and dengue hemorrhagic fever epidemics in Brazil: what research is needed based on trends, surveillance, and control experiences?
title_full_unstemmed Dengue and dengue hemorrhagic fever epidemics in Brazil: what research is needed based on trends, surveillance, and control experiences?
title_sort Dengue and dengue hemorrhagic fever epidemics in Brazil: what research is needed based on trends, surveillance, and control experiences?
author Teixeira, Maria da Glória
author_facet Teixeira, Maria da Glória
Costa, Maria da Conceição Nascimento
Barreto, Maurício Lima
Mota, Eduardo
author_role author
author2 Costa, Maria da Conceição Nascimento
Barreto, Maurício Lima
Mota, Eduardo
author2_role author
author
author
dc.contributor.author.fl_str_mv Teixeira, Maria da Glória
Costa, Maria da Conceição Nascimento
Barreto, Maurício Lima
Mota, Eduardo
dc.subject.por.fl_str_mv Dengue
Dengue Hemorrhagic Fever
Incidence
topic Dengue
Dengue Hemorrhagic Fever
Incidence
description Dengue epidemics account annually for several million cases and deaths worldwide. The high endemic level of dengue fever and its hemorrhagic form correlates to extensive domiciliary infestation by Aedes aegypti and multiple viral serotype human infection. This study analyzed serial case reports registered in Brazil since 1981, describing incidence evolutionary patterns and spatial distribution. Epidemic waves followed the introduction of every serotype (DEN 1 to 3), and reduction in susceptible individuals possibly accounted for decreasing case frequency. An incremental expansion of affected areas and increasing occurrence of dengue fever and its hemorrhagic form with high case fatality were noted in recent years. In contrast, efforts based solely on chemical vector control have been insufficient. Moreover, some evidence demonstrates that educational measures do not permanently modify population habits. Thus, as long as a vaccine is not available, further dengue control depends on potential results from basic interdisciplinary research and intervention evaluation studies, integrating environmental changes, community participation and education, epidemiological and virological surveillance, and strategic technological innovations aimed to stop transmission.
publishDate 2005
dc.date.none.fl_str_mv 2005-10-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
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format article
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dc.identifier.uri.fl_str_mv https://cadernos.ensp.fiocruz.br/ojs/index.php/csp/article/view/2593
url https://cadernos.ensp.fiocruz.br/ojs/index.php/csp/article/view/2593
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv https://cadernos.ensp.fiocruz.br/ojs/index.php/csp/article/view/2593/5202
https://cadernos.ensp.fiocruz.br/ojs/index.php/csp/article/view/2593/5203
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
application/pdf
dc.publisher.none.fl_str_mv Reports in Public Health
Cadernos de Saúde Pública
publisher.none.fl_str_mv Reports in Public Health
Cadernos de Saúde Pública
dc.source.none.fl_str_mv Reports in Public Health; Vol. 21 No. 5 (2005): September/October
Cadernos de Saúde Pública; v. 21 n. 5 (2005): Setembro/Outubro
1678-4464
0102-311X
reponame:Cadernos de Saúde Pública
instname:Fundação Oswaldo Cruz (FIOCRUZ)
instacron:FIOCRUZ
instname_str Fundação Oswaldo Cruz (FIOCRUZ)
instacron_str FIOCRUZ
institution FIOCRUZ
reponame_str Cadernos de Saúde Pública
collection Cadernos de Saúde Pública
repository.name.fl_str_mv Cadernos de Saúde Pública - Fundação Oswaldo Cruz (FIOCRUZ)
repository.mail.fl_str_mv cadernos@ensp.fiocruz.br||cadernos@ensp.fiocruz.br
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