immunogenicity

例句：

1. 1.The vaccine is designed to enhance the body's immune response to the virus.
   该疫苗旨在增强人体对病毒的免疫反应。
2. 2.The study found that the bacteria had a high level of immunogenicity.
   研究发现，这种细菌具有较高的免疫原性。
3. 3.The researcher explained that the vaccine was designed to stimulate the immune system and increase resistance to the disease.
   研究者解释说，这种疫苗旨在刺激免疫系统并提高对疾病的抵抗力。