Prevalence and factors associated with hepatitis B susceptibility among men who sex with men on HIV pre-exposure prophylaxis in Northeastern Brazil: a cross-sectional study.

ABSTRACT:

Background

This study aimed to determine the prevalence and factors associated with susceptibility to hepatitis B virus (HBV) among cisgender men who have sex with men (MSM) on HIV pre-exposure prophylaxis (PrEP) in Northeastern Brazil.

Methods

This was a cross-sectional, analytical study conducted between September 2021 and June 2023. Participants underwent structured interviews to collect sociodemographic and clinical information, including hepatitis B vaccination history, HIV PrEP use and sexual health history. Blood samples were collected for hepatitis B serologic testing: HBV surface antigen (HBsAg), HBV surface antibody (anti-HBs), total and IgM HBV core antibody (anti-HBc). HBV susceptibility was defined as nonreactive results for all these serological markers.

Res

SUBMITTER: Vechi HT 

PROVIDER: S-EPMC11308250 | biostudies-literature | 2024 Aug

REPOSITORIES: biostudies-literature