(epidemiology) The combination of natural immunity and artificially acquired immunity, such as that induced by a vaccine.

plural of immune deficiency

Immunity as a result of a cell-mediated immune response.

(immunology) The initial line of defense that entails a cascade of cells and mechanisms that protect the host from infection by different organisms in an indeterminate pattern.

(immunology) A system, activated by the innate immune system, that consists of particularly specialized systemic cells and processes that remove or counter pathogenic growth.

plural of adaptive immune system

plural of innate immune system

plural of cell-mediated immunity

(medicine) An infectious disease, caused by HIV, that causes the gradual degeneration of the body's immune system.

An immune response produced by the lymphokines secreted when sensitized T cells directly attack foreign antigens