Hierarchy classification:

1. top of the aat hierarchies
2. Associated Concepts Facet
3. Associated Concepts (hierarchy name)
4. scientific concepts
5. biological concepts
6. [health and related concepts]
7. health-related concepts
8. disease
9. communicable disease

Anotations

Scope note:

An acquired defect of cellular immunity associated with infection by species of human immunodeficiency viruses. Criteria as defined by the CDC in 1993 include 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 and dementia.