Acquired syphilis in the metropolitan region of belém: an analysis of gender disparities from 2020 to 2024

Objective: Acquired syphilis (AS) is a sexually transmitted infection that must be reported in Brazil, with an increasing incidence in the Belém Metropolitan Region (BMR). Method: This ecological study analyzed the epidemiological profile and gender disparities in the RMB between 2020 and 2024, using data from the Notifiable Diseases Information System (SINAN). A total of 4,891 notifications were evaluated, of which 3,073 (62.8%) were male and 1,818 (37.2%) were female. There was a sharp increase in notifications from 2021 onwards, with a predominance of cases in men (63.3% in Belém and 62.3% in Ananindeua). Results and Discussion: The predominant profile was male individuals between 20 and 39 years of age, brown-skinned, and with a high school education. The disparity between the sexes was marked, with a higher incidence and growth trend among men. Originality/Value: It is concluded that there is a need to reinforce educational actions on prevention, training of Primary Health Care professionals, and improvement in the distribution of human and material resources to combat SA in the region.