A depletion in the body's natural immune system, or in some component of it.

exhibiting immunodeficiency

plural of immunodeficiency

(medicine) Any of the many genetic disorders due to an aspect of the body's immune system being either absent or failing to function normally.

(medicine) Immunodeficiency caused by malnutrition or exposure to disease or a specific drug treatment.

plural of primary immunodeficiency

plural of secondary immunodeficiency

(virology) Either of the two related viruses, human immunodeficiency virus 1 (HIV-1) and human immunodeficiency virus 2 (HIV-2) that progressively destroy the body's immune system and can potentially lead to AIDS.

(rare) plural of human immunodeficiency virus

Alternative form of acquired immune deficiency syndrome