Related Experiment Video
Updated: Aug 7, 2026

Peptide-based Identification of Functional Motifs and their Binding Partners
Published on: June 30, 2013
Seronegativity and HIV infection
P Lepage1, J Batungwanayo, P Van de Perre
1Department of Paediatrics, Centre Hospitalier de Kigali, Rwanda.
Insights
Children born to mothers with human immunodeficiency virus (HIV) can initially test negative, then positive later. Extended follow-up is crucial for accurately diagnosing HIV infection in these infants.
Area of Science:
- Pediatrics
- Infectious Diseases
- Immunology
Background:
- Vertical transmission of human immunodeficiency virus (HIV) remains a significant global health concern.
- Early diagnosis of HIV infection in infants born to infected mothers is critical for timely intervention.
- Standard screening protocols may not capture all cases of vertically transmitted HIV.
Observation:
- A case study of an African infant born to an HIV-seropositive mother is presented.
- The infant initially tested HIV-seropositive, then seronegative, and subsequently seropositive again at 18 and 20 months.
- This fluctuating serostatus highlights diagnostic challenges in early infant diagnosis.
Findings:
- Transient seronegativity can occur in infants with vertically acquired HIV infection.
- Delayed seroconversion or fluctuating antibody levels can complicate early diagnosis.
- The case underscores the limitations of standard early infant diagnosis protocols.
Implications:
- Seronegative infants born to HIV-seropositive mothers require extended follow-up periods.
- Diagnostic strategies may need to incorporate longer observation windows for definitive HIV status determination.
- Further research is needed to optimize follow-up protocols for preventing pediatric HIV transmission and ensuring accurate diagnosis.
Abstract:
An African girl born to an HIV seropositive mother was seropositive during the neonatal period, became seronegative, and was again found to be seropositive at 18 and 20 months of age. We suggest that seronegative children born to seropositive mothers should be followed up for months or even years before HIV infection can be ruled out.
Related Concept Videos
Retrovirus Life Cycles
Immune Response Against Viral Pathogens
NK Cells
NK cells are a crucial part of our innate immune system, acting as the first line of defense against viral infections. These cells can recognize and kill infected cells without prior exposure to the virus, effectively slowing down the spread of infection. Additionally, NK cells produce proinflammatory...
Sexually Transmitted Infections
Size and Structure of Viral Genomes
Genital Herpes
Inhibitors of Virion Maturation and Assembly

