noun. An innate, acquired, or induced inability to develop a normal immune response.

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

noun. immunological disorder in which some part of the body's immune system is inadequate and resistance to infectious diseases is reduced

"VATICAN CITY, Nov 30 Reuters - The Vatican on Tuesday blamed the spread of AIDS on an "immunodeficiency" of moral values among other factors and called for education, abstinence and greater access to drugs to fight the disease."

AIDS  HIV  acquired immune deficiency syndrome  acquired immunodeficiency syndrome  human immunodeficiency virus  

immunological disorder  

AIDS  SCID  acquired immune deficiency syndrome  agammaglobulinemia  hypogammaglobulinemia  

deficiency  efficiency  inefficiency  proficiency  self-sufficiency  

aids-related  descolada  dyscontrol  filoviral  flu-like