Mild symptoms Having two or more of the following conditions: Lymphadenopathy Hepatomegaly Splenomegaly Dermatitis Parotitis Recurrent or persistent upper respiratory infection, sinusitis, or otitis media Moderate symptoms Anemia, neutropenia, thrombocytopenia Bacterial meningitis, pneumonia, sepsis (single episode) Candidiasis, oropharyngeal, persisting > 2 mo, in a child > 6 mo of age Cardiomyopathy Cytomegalovirus infection with onset < age 1 mo Diarrhea, recurrent or chronic Hepatitis Herpes simplex virus stomatitis (> 2 episodes in 1 y), bronchitis, pneumonitis, esophagitis at < 1 mo of age Herpes zoster, two or more episodes or more than one dermatome Leiomyosarcoma Lymphoid interstitial pneumonia Nephropathy Nocardiosis Persistent fever (lasting > 1 mo) Toxoplasmosis with onset < age 1 mo Varicella, complicated | Severe (stage 3-defining) opportunistic illnesses and other conditions Bacterial infections, multiple or recurrenta Candidiasis of bronchi, trachea, or lungs Candidiasis of esophagus Cervical cancer, invasiveb Coccidioidomycosis, disseminated or extrapulmonary Cryptococcosis, extrapulmonary Cryptosporidiosis, chronic intestinal (> 1 mo duration) Cytomegalovirus disease (other than liver, spleen, or nodes) with onset > age 1 mo Cytomegalovirus retinitis (with loss of vision) Encephalopathy attributed to HIV Herpes simplex virus: chronic oral lesions (> 1 mo), or bronchitis, pneumonitis, or esophagitis (onset at > age 1 mo) Histoplasmosis, disseminated or extrapulmonary Isosporiasis, chronic intestinal (> 1 mo duration) Kaposi sarcoma Lymphoma: Burkitt, immunoblastic, or primary lesion in brain Mycobacterium avium complex or Mycobacterium kansasii, disseminated or extrapulmonary Mycobacterium tuberculosis of any site, pulmonary,b disseminated, extrapulmonary Mycobacterium, other species or unidentified, disseminated or extrapulmonary Pneumocystis jiroveci pneumonia Pneumonia, recurrentb Progressive multifocal leukoencephalopathy Salmonella septicemia, recurrent Toxoplasmosis of the brain with onset > age 1 mo Wasting syndrome |