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Table 1 Different serological and molecular tests carried out on three different samples collected from the same patient at different dates

From: An antiretroviral drug-naïve human immunodeficiency virus-1 infected woman with a persistent non-reactive proviral deoxyribonucleic acid polymerase chain reaction: a case report

Sample code (interval of sample collection) 4th generation EIAs Serotyping Western blot Proviral DNA PCR group M (Biocentric) Proviral DNA PCR group O (“in-house”) Viral load RNA M (Biocentric) Non-specific PCR (integrase gene) PCR RT, protease and gp41 genes of HIV-1 group M PCR RT, protease and gp41 genes of HIV-1 group O
D0 (first sample) Positive Not detected / / / / / / /
D15 (2 weeks) Positive Not detected gp160, gp110/120 (trace), gp41 (trace), p68, p55, p40, p25, p18 Negative* Negative* 3.9 log/mL Positive* Positive* Negative*
D49 (6 weeks) Positive Not detected / Negative* Negative* 3.3 log/mL Positive* Positive* Negative*
  1. EIA, enzyme immune assay; HIV, human immunodeficiency virus; PCR, polymerase chain reaction; RNA, ribonucleic acid; RT, reverse transcriptase; *tested three times consecutively; / test not carried out.