Hepatitis B Surface AntigensHepatitis B VaccinesHepatitis B AntibodiesRecombinant ProteinsHepatitis BHepatitis B virusRecombinant Fusion ProteinsMolecular Sequence DataDNA, RecombinantHepatitis B Core AntigensHepatitis B e AntigensHepatitis B, ChronicHepatitis B AntigensAmino Acid SequenceVaccines, SyntheticCloning, MolecularCarrier StateBase SequenceGenetic VectorsDNA, ViralEscherichia coli