Reemerging diseases in Brazil: sociodemographic and epidemiological characteristics of syphilis and its under-reporting.

Introduction: This paper analyzed sociodemographic and epidemiological data of individuals with syphilis as well as the compulsory reporting of the disease, for being a reemerging disease in Brazil.

Methods: General information and sociodemographic, epidemiological, clinical, and laboratory data were verified in compulsory reporting.

Results: From 2010 to 2016, 157 reporting forms were explored.