The father is a patient with HBV the triple therapy , the mother has antibodies, and she is scheduled for a cesarean section at 38 weeks. Inquiring about effective prevention methods for newborns to avoid HBV infection.

A carrier of HBV with a ’ surface antigen+ ’ status inquires about the impact of different vaccination schedules on the effectiveness of maternal-infant transmission blockade.

Infant and toddler HBV carriers are primarily infected through horizontal transmission, which can occur due to blood transfusions, vaccinations, or close contact with HBV-infected family members. Young children under 3 years old are also prone to chronic HBV carriage due to their underdeveloped immune systems. Asymptomatic HBV carriers refer to individuals who test positive for hepatitis B surface antigen but show no liver inflammation symptoms and have normal liver function tests, with no changes observed over half a year.