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.
Sá et al. (Sat,) studied this question.
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