Seroprevalence of and Associated Factors among Vulnerable Riverine in the Brazilian Amazon.

Due to social and individual conditions and access to health services, Amazonian riverside populations are highly vulnerable to sexually transmitted infections, including . The aim is to estimate the seroprevalence of and analyze the associated factors among riverside dwellers in a capital city in the Brazilian Amazon. A cross-sectional study was carried out with residents of the Combu Island, Belém.

Determinants of gestational syphilis among women attending prenatal care programs in the Brazilian Amazon.

Background: There was a high proportion of pregnant women who were attending prenatal care who were not tested for syphilis or tested but not treated, among priority countries. The coverage for prenatal care visits, syphilis screening, and treatment are priority indicators for monitoring of the elimination of syphilis. The aim was to determine the factors associated with gestational syphilis among postpartum women who were in a prenatal care program in the Brazilian Amazon.