Epidemiological Profile of Zika Virus Infection in the State of Pará, Brazil, from 2017 to 2024

Abstract

Zika virus (ZIKV) is an arbovirus transmitted by Aedes aegypti, associated with complications such as congenital Zika syndrome. This descriptive epidemiological study aimed to analyze the sociodemographic and epidemiological characteristics of ZIKV infection in the state of Pará, Brazil, between 2017 and 2024, using data from SINAN. Variables such as sex, race, age group, education level, pregnancy status, and seasonality were evaluated. During the study period, 5,341 cases were reported, with a predominance of women (65.5%), individuals identifying as mixed-race (72.3%), and adults aged 20–39 years (43.9%). Higher incidence was observed between January and March, coinciding with the rainy season, and among pregnant women in the second trimester (8.0%). The results highlight the influence of biological, social, and environmental factors and underscore the need for integrated strategies for surveillance, vector control, sanitation, and health education, especially targeting the most vulnerable populations.

Published
2026-03-18