Information: HIV Staging
WHO Staging
WHO Stages, as used in HealthQ
Stage 1
- Asymptomatic HIV Infection
- Persistent generalised lymphadenopathy
- Performance scale: Asymptomatic, normal activity
Stage 2
- Weight loss, <10% of body weight
- Minor mucocutaneous manifestations (seborrheic dermatitis, prurigo, fungal nail infections, recurrent oral ulcerations, angular cheilitis)
- Herpes zoster within the last five years
- Recurrent upper respiratory tract infections (i.e. bacterial sinusitis)
- Performance scale: Symptomatic, normal activity
Stage 3
- Weight loss, >10% of body weight
- Unexplained chronic diarrhoea, >1 month
- Unexplained prolonged fever (intermittent or constant), >1 month
- Oral candidiasis (thrush)
- Oral hairy leukoplakia
- Pulmonary tuberculosis within the past year
- Severe bacterial infections (i.e. pneumonia, pyomyositis)
- Performance scale: Bedridden <50% of the day during the last month
Stage 4
- HIV wasting syndrome, as defined by the Centers for Disease Control and Preventiona
- Pneumocystis carinii pneumonia
- Toxoplasmosis of the brain
- Cryptosporidiosis with diarrhoea >1 month
- Cryptococcosis, extrapulmonary
- Cytomegalovirus disease of an organ other than liver, spleen or lymph nodes
- Herpes simplex virus infection, mucocutaneous >1 month, or visceral any duration
- Progressive multifocal leukoencephalopathy
- Any disseminated endemic mycosis (i.e. histoplasmosis, coccidioidomycosis)
- Candidiasis of the oesophagus, trachea, bronchi or lungs
- Atypical mycobacteriosis, disseminated
- Non-typhoid Salmonella septicaemia
- Extrapulmonary tuberculosis
- Lymphoma
- Kaposi's sarcoma
- HIV encephalopathy, as defined by the Centers for Disease Control and Prevention.b
- Performance scale: Bedridden >50% of the day during the last month