Profile of Patients Diagnosed with Measles and Associated Vaccination Trends in Pará, Brazil (2016–2021)
Laís Miléo Gomes Sá
Ciências, Faculdade de Medicina, Centro Universitário do Estado do Pará, Brasil.
Letícia Barreiros Pires
Ciências, Faculdade de Medicina, Centro Universitário do Estado do Pará, Brasil.
Ana Clara Moura de Oliveira
Ciências da Saúde, Hospital Ophir Loyola, Programa de Residência Médica em Clínica Médica – Clínica Médica, Brasil.
Camila Miranda Pereira *
Biodiversidade e Serviços Ecossistêmicos, Instituto Tecnológico Vale/ Desenvolvimento Sustentável, Brasil.
Amanda Almeida Perez
Medical Residency in: Intensive Care Medicine, Federal University of São Paulo, UNIFESP, Brazil.
Ananda Paula da Silva Cordeiro
Ciências, Faculdade de Medicina, Centro Universitário do Estado do Pará, Brasil.
Ana Luísa Queiroz da Azevedo
Ciências, Faculdade de Medicina, Centro Universitário do Estado do Pará, Brasil.
Felipe Lima Jacob
Ciências, Faculdade de Medicina, Universidade Estadual do Pará, Brasil.
Silvana Cristina Rodrigues da Silva
Ciências, Faculdade de Medicina, Centro Universitário do Estado do Pará, Brasil.
Ismaelino Mauro Nunes Magno
Ciências, Faculdade de Medicina, Centro Universitário do Estado do Pará, Brasil.
*Author to whom correspondence should be addressed.
Abstract
Aims: This study aimed to analyze the epidemiological profile of patients diagnosed with measles in the state of Pará, Brazil, from 2016 to 2021, focusing on vaccination coverage and temporal trends in disease incidence.
Study Design: Observational, descriptive, ecological, and temporal study based on secondary data.
Place and Duration of Study: The study was conducted in the state of Pará, located in the Brazilian Amazon region, using data from 2016 to 2021.
Methodology: Data were obtained from the Information System for Notifiable Diseases (SINAN) and the National Immunization Program Information System (SI-PNI), accessed through the DataSUS TabNet platform. Variables included year of notification, age group (0–14 years), disease classification, outcome, and vaccination status.
Results: A total of 1,879 measles cases were confirmed in Pará between 2016 and 2021, with the highest number in 2020 (1,572 cases). The Metropolitan I region recorded the largest share of cases, while deaths represented only 0.47% of outcomes. Vaccination coverage declined after 2019, coinciding with a rise in measles incidence.
Conclusion: The study highlights the association between reduced vaccination coverage and measles resurgence, emphasizing the need for sustained immunization efforts, public education, and continuous epidemiological surveillance to prevent the reemergence of vaccine-preventable diseases.
Keywords: Measles, vaccination, Pará, epidemiological profile, DataSUS