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4th Generation Antigen - Antibodies


It is the latest test (HIV I/II ELISA Test) to detect infection with the human immunodeficiency virus HIV type I/II. It simultaneously detects the virus itself (p24 region) as well as the antibodies developed by the body against HIV type I and II.

The test is valid if a sample is taken at least 4 weeks after the time of possible contact - infection (time window). At this time practically both the copies of the virus and the amount of the body's antibodies against the virus have reached detectable levels (reliability about 99%)

The use of the test is mainly for preventive, but also for diagnostic purposes

As a prevention test is used:

  1. in the early diagnosis of HIV infection, for immediate effective pharmaceutical treatment
  2. between sexual partners to avoid transmission from a non-diseased carrier
  3. in educating younger people about their vigilance against apparently healthy carriers
  4. in the prenatal and pre-surgical check-ups to take appropriate measures in time

As a diagnostic test for HIV infection, attention is needed to:

  1. a possible positive result, where confirmation by HIV PCR molecular biology test is required to avoid false positives
  2. a negative result, where the sample was taken near the time window and may require a repeat with the same method after some time
  3. a negative result, where there is very strong evidence of HIV infection, and confirmation with an HIV PCR molecular biology test is required

In non-immunosuppressed adults, a negative result is indicatively valid against positive and negative control serum (control)

Simple blood collection at any time of the day, without preparing food or avoiding medication

  1. The result is given on the same working day.
  2. Δυνατότητα επείγουσας απάντησης σε 2 ώρες περίπου

The private cost of a single test (HIV I/II ELISA test 4th generation antigen - antibodies) is 15 euros*.

The examination is prescribed at the EOPYY**, with the participation of the examinee as defined in the referral (15%, unless otherwise stated)

*A 25% discount applies when participating in Check Up

**In our center we have doctors with the right to prescribe EOPYY prescriptions

Information selected - indicative with sources: Interpretation of Diagnostic Tests - J.Wallach and

The choice and explanation of the use of the analysis is the exclusive responsibility of your doctor

Edited by : Ioannis Grattisia Head of Laboratory / MSc Clinical Biochemistry - Molecular Biology

April 2019

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Check Up Medicus | Medical Center Athens | Blood Tests | Covid-19 Test
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