High Prevalence of Syphilis among Young Pregnant Women in the Brazilian Amazon: A Cross-Sectional Study Based on Clinical Records in a Public Health Reference Unit in the City of Belém.

Background: Syphilis remains a significant global public health concern, and one of its consequences in pregnant women is the potential occurrence of congenital syphilis due to infection. This study determined the prevalence of syphilis among pregnant women undergoing prenatal care in a neighborhood on the outskirts of the city of Belém, Brazilian Amazon.

Methods: This cross-sectional study used data from clinical records of 611 pregnant women who underwent prenatal care at a public health unit in 2019 and 2020.

Exposure to among Female Sex Workers: A Retrospective Study Conducted in the State of Pará, Brazilian Amazon.

Background: Syphilis remains a significant global public health issue, and female sex workers (FSWs) are highly vulnerable to the etiological agent of this disease. This study aimed to describe the prevalence of exposure to , as well as the vulnerability factors among FSWs in the state of Pará, Brazilian Amazon.

Methods: A cross-sectional, retrospective study involving 360 FSWs from five cities in Pará was conducted from 2005 to 2007.