An innate, acquired, or induced inability to develop a normal immune response.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "immunodeficiency" in a sentence
"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."
"The manufacturers 'datasheet, such as immunodeficiency, leukaemias, and a history of hypersensitivity to the components of the vaccine."
"In-utero hematopoietic stem cell transplantations are a promising approach for the treatment of selected congenital immunodeficiency disorders (i.e. severe combined immunodeficiencies, chronic granulomatous disease, hyperIgM syndrome and others) and hemoglobinopathies (i.e. sickle cell disease and thalassemia)."