ABSTRACT
The 1993 Centers for Disease Control surveillance case definition for AIDS includes all HIV-infected persons who have a CD4 T-lymphocyte count <200ml−1 of blood or a CD4 T-lymphocyte percentage of total lymphocytes below 14. Indicator diseases of AIDS include: Pneumocystis carinii pneumonia (PCP), pulmonary tuberculosis, extrapulmonary cryptococcosis, cryptosporidiosis, infection with cytomegalo and herpes simplex virus, coccidioidomycosis, toxoplasmosis, candidiasis, salmonella (non-typhoid) septicaemia, non-Hodgkin’s lymphoma, Kaposi sarcoma, HIV encephalopathy and HIV wasting syndrome.
