SC inj only.
Chronic hepatitis B 1.6 mg twice wkly w/ 3-4 days interval for 6 mth (52 doses) w/o interruption.
Vaccine adjuvant 900 mcg/m
2 (1.6 mg) twice wkly w/ 3-4 days interval & 1st dose given coincident w/ vaccine. Continue for 4 wk (total: 8 doses) after a single-dose vaccine immunisation regimen. For multidose vaccine immunisation regimen, continue twice wkly between vaccinations & for 3 wk (total: 5-6 doses) after last vaccination.