Keywords Helicobacter pylori, urease;adhesin;neutrophil activating protein;attenuated Salmonella typhimurium;DNA vaccine;immunotherapy;

• 螺杆菌;幽门;尿素酶;黏附素;激活蛋白;中性粒细胞;沙门菌;伤寒;减毒;疫苗;DNA;治疗;免疫;