ABSTRACT Background: The aim of this study was to assess the effectiveness of hepatitis B vaccination and factors associated with vaccine unresponsiveness in healthy children. Methods: A total of 141 healthy children aged between two and five years were included in the study. All of the cases had recei...
ABSTRACT BACKGROUND: Patients with inflammatory bowel disease (IBD) vaccinated for hepatitis B have a low success rate in achieving protective antibody levels. The main factors suggested for this are IBD itself and the use of immunosuppressive drugs. OBJECTIVE: To evaluate the concentration of anti-H...
Abstract INTRODUCTION Medical students have an occupational risk for hepatitis B (HB). This study sought to determine anti-HBs and anti-HBc IgG levels in vaccinated students, check their seroconversion, and correlate this with vaccination. METHODS One hundred and forty-three students' blood samples a...
ABSTRACT OBJECTIVE To describe the evolution of serological markers among HIV and hepatitis B coinfected patients, with emphasis on evaluating the reactivation or seroreversion of these markers. METHODS The study population consisted of patients met in an AIDS Outpatient Clinic in São Paulo State, B...
ABSTRACT Background Occult hepatitis B infection is characterized by negative hepatitis B surface antigen (HBsAg) and also detectable hepatitis B virus (HBV) -DNA, with or without hepatitis B core antibody (anti-HBc). HBV reactivation in individuals under immunosuppressive therapy is critical, occurring...
Se hace una revisión de los aspectos clínicos y bioquímicos de la hepatitis viral, con énfasis en las características biológicas y epidemiológicas de los virus A, B, no A - no B (NANB) y Delta, así como de los eventos serológicos que ocurren durante la infección con estos agentes virales. Se pr...
