Case Definition

Human immunodeficiency virus infection (Human immunodeficiency virus)

Clinical criteria
Not relevant for surveillance purposes

Laboratory criteria

Adults, adolescents and children aged >= 18 months

At least one of the following three:

• Positive result of a HIV screening antibody test or a combined screening test (HIV antibody and HIV p24 antigen) confirmed by a more specific antibody test (e.g. Western blot)
• Positive result of an EIA antibody test confirmed by a positive result of a further EIA test
• Positive results on two separate specimens from at least one of the following three:
  - Detection of HIV nucleic acid (HIV-RNA, HIV-DNA)
  - Demonstration of HIV by HIV p24 antigen test, including neutralisation assay
  - Isolation of HIV

Children aged <18 months
Positive results on two separate specimens (excluding cord blood) from at least one of the following three:
- Isolation of HIV
- Detection of HIV nucleic acid (HIV-RNA, HIV-DNA)
- Demonstration of HIV by HIV p24 antigen test, including neutralisation assay in a child >=1 month of age

Epidemiological criteria
NA

Case classification
A. Possible case
NA
B. Probable case
NA
C. Confirmed case
Any person meeting the laboratory criteria for HIV infection 

Current as of: 24 January 2019

Information, Data and Reports for