Hepatitis B vaccines progressed from blood vaccines to recombinant vaccines,then to peptide vaccines and DNA vaccines,to their functions extended from prophylactic to therapeutic.

• 从第一代血源性疫苗到重组乙肝疫苗,再到合成肽疫苗和DNA疫苗,乙肝疫苗的研制技术不断进步,其应用范围也已从预防扩展到治疗。