Thursday, December 08, 2005

The Bangui Definition

This is taken from the WHO May 2005 publication, Communicable disease; a field manual, p156

Modified 1985 WHO case definition for AIDS surveillance (the “Bangui definition”)

An adult or adolescent (> 12 years of age) is considered to have AIDS if at least two of the following major signs are present in combination with at least one of the minor signs listed below, and if these signs are not known to be due to a condition unrelated to HIV infection.

Major signs
• Weight loss >10% of body weight
• Chronic diarrhoea for >1 month
• Prolonged fever for >1 month (intermittent or constant)

Minor signs
• Persistent cough for >1 month
• Generalized pruritic dermatitis
• History of herpes zoster
• Oropharyngeal candidiasis
• Chronic progressive or disseminated herpes simplex infection
• Generalized lymphadenopathy

The presence of either generalized Kaposi sarcoma or cryptococcal meningitis is sufficient for the diagnosis of AIDS for surveillance purposes.

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