EPIDEMIOLOGICAL PROFILE OF DENGUE IN PIAUÍ FROM 2020 TO 2025
DOI:
https://doi.org/10.66104/wz7hg258Keywords:
Dengue; Epidemiology; Public health; Surveillance.Abstract
Dengue is a major public health concern, especially in tropical regions such as Brazil, where climatic, environmental, and socioeconomic factors favor vector proliferation. In the state of Piauí, the disease shows an oscillatory pattern with recurrent outbreaks, making it essential to analyze its epidemiological profile. This is a descriptive, retrospective epidemiological study with a quantitative approach, based on secondary data from the Notifiable Diseases Information System (SINAN), available through DATASUS. All probable dengue cases reported in Piauí from January 2020 to December 2025 were included. Variables analyzed included year of notification, sex, age group, race/ethnicity, hospitalization, and case outcomes. Data were organized and analyzed descriptively. A total of 69,792 probable dengue cases were reported. There was an increase between 2020 and 2021, followed by a peak in 2022. A decrease occurred in 2023, followed by a new increase in 2024 and a decline in 2025, demonstrating a cyclical pattern. Most cases occurred among individuals aged 20–59 years, females, and those self-identified as mixed race. Most cases evolved to recovery. Teresina accounted for the majority of cases. Dengue remains a major public health issue in Piauí. Strengthening epidemiological surveillance, vector control, and improving environmental and social conditions are essential to reduce disease burden.
Downloads
References
ALMEIDA, A. S. et al. Expansão urbana e incidência de arboviroses no Nordeste brasileiro. Revista de Saúde Pública, São Paulo, v. 58, p. e00024, 2024.
ANDRIOLI, D. C.; BUSATO, M. A.; LUTINSKI, J. A. Características da epidemia de dengue em Pinhalzinho, Santa Catarina, 2015-2016. Epidemiologia e Serviços de Saúde, Brasília, v. 29, p. e2020057, 2020. DOI: https://doi.org/10.5123/S1679-49742020000400007
BRASIL. Ministério da Saúde. Boletim epidemiológico: dengue. Brasília, 2021. Disponível em: http://www.saude.gov.br. Acesso em: 20 abr. 2026.
BRASIL. Ministério da Saúde. Boletim epidemiológico: monitoramento dos casos de arboviroses urbanas transmitidas pelo Aedes aegypti (dengue, chikungunya e zika). Brasília, v. 55, n. 12, 2023.
BRASIL. Ministério da Saúde. Sistema de Informação de Agravos de Notificação (SINAN). Brasília, DF, 2024a. Disponível em: http://tabnet.datasus.gov.br/cgi/deftohtm.exe?sinannet/cnv/denguebbr.def. Acesso em: 20 abr. 2026.
CARVALHO, M. S. et al. Aedes aegypti control in urban areas: a systemic approach to a complex dynamic. PLoS Neglected Tropical Diseases, v. 11, n. 7, p. e0005632, 2017. DOI: https://doi.org/10.1371/journal.pntd.0005632
CODEÇO, C. T. et al. Rápida expansão da dengue no Brasil. The Lancet Regional Health – Americas, v. 12, p. 100274, 2022. DOI: https://doi.org/10.1016/j.lana.2022.100274
COSTA, R. S. et al. Perfil sociodemográfico e espacialização da dengue em estados do Nordeste. Epidemiologia e Serviços de Saúde, Brasília, v. 32, n. 1, p. e2022556, 2023.
FERREIRA, A. et al. Análise espacial e temporal da mortalidade por dengue no Brasil: uma abordagem epidemiológica. Cadernos de Saúde Pública, Rio de Janeiro, v. 36, n. 5, p. 1-20, 2020. DOI: https://doi.org/10.1590/0102-311x00198318
FLORENZANO, B. M. et al. Análise comparativa do perfil epidemiológico dos casos de dengue no Brasil durante o primeiro trimestre dos anos de 2023 e 2024: um estudo ecológico. Brazilian Journal of Implantology and Health Sciences, v. 6, n. 8, p. 1459-1470, 2024. DOI: https://doi.org/10.36557/2674-8169.2024v6n8p1459-1470
LIMA, T. C. S. et al. Fatores climáticos e a dinâmica de transmissão da dengue no semiárido brasileiro. Revista Brasileira de Meteorologia, São Paulo, v. 38, n. 3, p. 421-432, 2023.
MOLIN, R. S.; LOPES, A. N. Infectologia: bases epidemiológicas e clínicas. São Paulo: Científica, 2021.
MONTE, A. R. C. R. et al. Perfil epidemiológico das notificações de dengue na faixa etária pediátrica no Piauí no período de 2019 a 2023. Lumen et Virtus, v. 15, n. 42, p. 7045-7052, 2024. DOI: https://doi.org/10.56238/levv15n42-036
NASCIMENTO, L. B. et al. Sazonalidade e determinantes ambientais da dengue no Piauí. Saúde em Debate, Rio de Janeiro, v. 47, n. 138, p. 512-525, 2023.
ORGANIZAÇÃO PAN-AMERICANA DA SAÚDE (OPAS). Situação epidemiológica da dengue nas Américas: relatório anual sobre arboviroses. Washington, D.C., 2023.
PIAUÍ (Estado). Governo do Estado do Piauí. Piauí registra queda de 52,8% nos casos de dengue em 2025 em comparação com o mesmo período de 2024. Teresina, 2025. Disponível em:
https://www.pi.gov.br/piaui-registra-queda-de-528-nos-casos-dengue-em-2025-em-comparaca o-com-o-mesmo-periodo-de-2024/. Acesso em: 20 abr. 2026.
PNUD – PROGRAMA DAS NAÇÕES UNIDAS PARA O DESENVOLVIMENTO. 25 anos:
desenvolvimento humano no Brasil: construir caminhos, pactuando novos horizontes. 1. ed. Brasília, 2024.
SANTOS, J. P. C. et al. ARBOALVO: estratificação territorial para definição de áreas de pronta resposta para vigilância e controle de arboviroses urbanas em tempo oportuno. Cadernos de Saúde Pública, Rio de Janeiro, v. 38, p. e00110121, 2022. DOI: https://doi.org/10.1590/0102-311x00110121
SILVEIRA, G. B. et al. Sorotipos circulantes de DENV e implicações para a vigilância em saúde no cenário brasileiro atual. Journal of Tropical Pathology, Goiânia, v. 53, n. 1, p. 45-58, 2024.
SOUZA, L. J. Dengue, zika e chikungunya: diagnóstico, tratamento e prevenção. Rio de Janeiro: Rúbio, 2016.
WORLD HEALTH ORGANIZATION (WHO). National guideline for clinical management dengue: Democratic Republic of Timor-Leste. Geneva: WHO, 2022. Disponível em: https://www.who.int/publications/i/item/9789241547871. Acesso em: 20 abr. 2026.
Downloads
Published
Issue
Section
License
Copyright (c) 2026 Janaína Mendes Caldas Sampaio, Roama Paulo Ulisses Vaz da Costa, Osvaldo Mendes de Oliveira Filho, Layanne Cavalcante de Moura
This work is licensed under a Creative Commons Attribution 4.0 International License.
Authors who publish in this journal agree to the following terms:
Authors retain copyright and grant the journal the right of first publication, with the work simultaneously licensed under the Creative Commons Attribution License, which permits the sharing of the work with proper acknowledgment of authorship and initial publication in this journal;
Authors are authorized to enter into separate, additional agreements for the non-exclusive distribution of the version of the work published in this journal (e.g., posting in an institutional repository or publishing it as a book chapter), provided that authorship and initial publication in this journal are properly acknowledged, and that the work is adapted to the template of the respective repository;
Authors are permitted and encouraged to post and distribute their work online (e.g., in institutional repositories or on their personal websites) at any point before or during the editorial process, as this may lead to productive exchanges and increase the impact and citation of the published work (see The Effect of Open Access);
Authors are responsible for correctly providing their personal information, including name, keywords, abstracts, and other relevant data, thereby defining how they wish to be cited. The journal’s editorial board is not responsible for any errors or inconsistencies in these records.
PRIVACY POLICY
The names and email addresses provided to this journal will be used exclusively for the purposes of this publication and will not be made available for any other purpose or to third parties.
Note: All content of the work is the sole responsibility of the author and the advisor.
