An acquired defect of cellular immunity associated with infection by the human immunodeficiency virus (HIV), a CD4-positive T-lymphocyte count under 200 cells/microliter or less than 14% of total lymphocytes, and increased susceptibility to opportunistic infections and malignant neoplasms. Clinical manifestations also include emaciation (wasting) and dementia. These elements reflect criteria for AIDS as defined by the CDC in 1993.

Descriptor ID	D000163
MeSH Number(s)	C02.782.815.616.400.040 C02.800.801.400.040 C02.839.040 C20.673.480.040
Concept/Terms	Acquired Immunodeficiency Syndrome Acquired Immunodeficiency Syndrome Immunologic Deficiency Syndrome, Acquired Acquired Immune Deficiency Syndrome Acquired Immuno-Deficiency Syndrome Acquired Immuno Deficiency Syndrome Acquired Immuno-Deficiency Syndromes Immuno-Deficiency Syndrome, Acquired Immuno-Deficiency Syndromes, Acquired Syndrome, Acquired Immuno-Deficiency Syndromes, Acquired Immuno-Deficiency Immunodeficiency Syndrome, Acquired Acquired Immunodeficiency Syndromes Immunodeficiency Syndromes, Acquired Syndrome, Acquired Immunodeficiency Syndromes, Acquired Immunodeficiency AIDS

Below are MeSH descriptors whose meaning is more general than "Acquired Immunodeficiency Syndrome".

Below are MeSH descriptors whose meaning is related to "Acquired Immunodeficiency Syndrome".

Below are MeSH descriptors whose meaning is more specific than "Acquired Immunodeficiency Syndrome".