(law) A doctrine providing immunity from suit by private parties for certain government officials and witnesses in judicial proceedings, even if the act or testimony was illegal, false, or made in bad faith.

immunity and immune response granted by the innate immune system

immunity and immune response granted by the adaptive immune system

a document that tracks an individual's vaccinations, particularly for children.

(epidemiology) Synonym of herd immunity

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

(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

plural of cell-mediated immune response

(pathology, obsolete, 1980s) GRID; Synonym of AIDS (“acquired immune deficiency syndrome”)