抗感染免疫,即机体对病原微生物感染的抵抗力。其构成因素包括先天性免疫和获得性免疫。前者是在种系发育和进化过程中形成的,具有出生时就有、不需抗原刺激、没有抗原特异性等特点,故又称非特异性免疫;后者是个体在生活过程中接触病原微生物或其制品后获得的,因为其免疫作用具有抗原特异性,故又称特异性免疫。 Anti-infective immunity, the body’s resistance to pathogenic microorganisms. Its constitutional factors include innate immunity and acquired immunity. The former is formed in the process of germline development and evolution. It has the characteristics of being born at birth, without antigen stimulation and without antigen specificity. It is also known as non-specific immunity. The latter is an individual who contacts pathogenic microorganisms during life or Obtained after its products, because of its immune function with antigen specificity, it is also known as specific immunity.