Keywords Helicobacter pylori;multicomponent fusion vaccine;E.coli heat-labile enterotoxin subunit B;intra-molecular adjuvant;immune protection;

• 关键词幽门螺杆菌;多亚单位融合疫苗;大肠杆菌不耐热肠毒素B亚单位;分子内佐剂;免疫保护;