A 26 year old man was observed to be positive for HBs Ag but negative for HBe Ag. The AST / ALT levls were observed to be within normal limits. The next step in management of this patient should be
Serial monitoring Antiviral treatment with Lamivudine monotherapy Antiviral treatment with Lamivudine and pulsed IFN Antiviral treatment with IFN Alfa alone