<prompt> WHO grade of a HIV child with parotid enlargement:Stage 1Stage 2Stage 3Stage 4  <response>: Ans: B Stage 2 Ref: Antiretroviral Therapy for HIV Infection in Infants and Children: Towards Universal Access: Recommendations fora Public Health Approach: 2010 Revision, WHO 2010Explanation: WHO Clinical Staging for Infants and children with HIV infectionClinical Stage 1AsymptomaticPersistent generalized lymphadenopathy.Clinical Stage 2Unexplained persistent hepatosptenomegalyPapular pruritic eruptionsExtensive wart virus infectionExtensive molluscum contagiosumRecurrent oral ulcerationsUnexplained persistent parotid enlargementGingival erythemaHerpes zosterRecurrent or chronic URi Otitis media, sinusitis. Tonsillitis, RhinitisFungal nail infection.Clinical Stage 3Unexplained moderate malnutrition not responding to standard therapy.Unexplained persistent diarrhoea 14 days or more.Unexplained persistent fever Above 37.5 deg Celsius, for more than 1 month.Persistent oral candidiasis after first 6 weeks of life.Oral hairy leukoplakia.Acute necrotizing ulcerative gingivitisperiodontitis.Lymph node TB.Pulmonary TB.Severe recurrent bacterial pneumonia.Symptomatic lymphoid interstitial pneumonitis.Chronic HIV associated lung disease including bronchiectasis.Unexplained anaemia 8.0 gdl, neutropenia 0.5x109L3 or chronic thrombocytopenia 50 x 109L3.Clinical Stage 4Unexplained severe wasting, stunting or severe malnutrition not responding to standard therapy.Pneumocystis pneumonia PCP.Recurrent severe bacterial infections Empyema. Pyomyositis, Bone or joint infection, Meningitis but excluding pneumonia.Chronic herpes simplex infection OrolabiaL cutaneous of more than one months duration, or visceral at any site.Extrapulmonary TB.Kaposi sarcoma.Oesophageal candidiasis or candiadisis of trachea, bronchi or lungs.Central nervous system foxopasmoss after the neonatal period.HIV encephalopathy.Cytomegatovirus CMV infection; retinitis or CMV infection affecting another organ, with onset at age more than 1 month.Extrapulmonary cryptococcosis including meningitis.Disseminated endemic mycosis extrapulmonary histoplasmosis, coccidioidomycosis, penidlliosis.Chronic cryptosporidiosis with diarrhoea.Chronic isosporiasis.Disseminated non-tuberculous mycobacterial infection.Cerebral or B cell non-Hodgkin lymphoma.Progressive multifocal leukoencephalopathy.HIV-associated cardiomyopathy or nephropathy. 