Resistance against infection
Nosocomial infection infection
Infection Nosocomial Infection
Infection of respiratory infection
absolute immunity model
Absolute State Immunity
accident immunity system
acquired active immunity
Acquired immunity
获得免疫
获得性免疫
后天性免疫
后天免疫性
获得性免疫缺陷综合征后天免疫
后天免疫
acquired passive immunity