Single arm, prospective open-label study of a care model consisting of two components:
Component I aims to achieve high coverage of interventions to prevent maternal-to-child
transmission of hepatitis B virus: antenatal tenofovir, and timely newborn administration of
hepatitis B birth dose vaccine and hepatitis B immune globulin; Component II aims to achieve
high coverage of screening, vaccination, and anti-viral therapy for HBV among household
members of women with chronic HBV infection.