==WHO Clinical staging==
{|class="wikitable" style="vertical-align:top"
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!style="width:4%"|Stage
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*Herpes zoster
*Papular pruritic eruptions
*Seborrheic dermatitis
*Fungal nail infections
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*Herpes simplex infection (oral, genital) > 1 month
*[[Talaromycosis|Talaromycosis]] (Asia only)
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!Oral<br>GI tract
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*Angular cheilitis
*Oral ulcer, recurrent
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*Diarrhea > 1 month, unexplained
*'''Oral Candidiasis'''
*Oral hairy leukoplakia (EBV-associated)
*Acute necrotizing ulcerative stomatitis/gingivitis/periodontitis
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*'''Esophageal Candidiasis'''
*Cryptosporidiasis, chronic
*Isosporiasis, chronic
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!Respiratory
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*URIs, recurrent
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*Pulmonary TB, pluribacillary
*Bacterial LRIs
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*Pulmonary TB, paucibacillary
*Pneumocystis pneumonia (PcP)
*Severe bacterial LRIs, recurrent
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!Systemic
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*Asymptomatic
*Acute HIV infection
*Lymphadenopathy, persistent
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*Weight loss <10%, unexplained
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*Weight loss >10%, unexplained
*Fever > 1 month, unexplained
*Sever bacterial infections (LRI, bone/joint infections, meningitis)
*Anemia < 8g/dL of Hb, unexplained
*Thrombocytopenia < 50<math>\times</math>10<math>^9</math>/L, unexplained
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*HIV wasting syndrome
*TB, extrapulmonary
*Cytomegalovirus infection
*CNS toxoplamosis (Toxoplasmoma)
*HIV encephalopathy
*CNS cryptococcal infection (Cryptococcoma)
*Progressive multifocal leukoencephalopathy
*Non-typhoidal salmonellosis (NTS), recurrent
*[[Coccidioidomycosis|coccidioidomycosis]] (America only)
*[[Histoplasmosis|histoplasmosis]]
*Atypical disseminated leishmaniasis
*HIV-associated nephrophathy
*HIV-associated cardiomyopathy
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!Malignancy
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*Kaposi's sarcoma
*Lymphoma
*Cervical carcinoma
*HIV-associated solid tumors
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!1
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*Acute necrotizing ulcerative stomatitis/gingivitis/periodontitis
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*Pulmonary TB, pluribacillary
*Bacterial LRIs
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*Herpes simplex infection (oral, genital) > 1 month
*[[Talaromycosis|talaromycosisTalaromycosis]] (Asia only)
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*'''Esophageal Candidiasis'''
*Isosporiasis, chronic
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*Pulmonary TB, paucibacillary
*Pneumocystis pneumonia (PcP)
*TB, paucibacillary
*Severe bacterial LRIs, recurrent
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