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Immunisation status of children adopted from China
T W Schulpen1, A H van Seventer, H C Rümke
1University Medical Centre Utrecht, Centre for Migration and Child Health, 3508 AB, Utrecht, Netherlands. t.Schulpen@wkz.azu.nl
Insights
Many children adopted from China lack adequate vaccine protection, despite documented immunizations. Antibody testing or re-vaccination is recommended for these children to ensure proper immunity.
Area of Science:
- Pediatrics
- Immunology
- Public Health
Background:
- Children adopted internationally may have discrepancies between vaccination records and actual immunity.
- Assessing vaccine-preventable disease protection in internationally adopted children is crucial.
Discussion:
- Approximately 30% of children adopted from China showed insufficient antibody titres for tetanus, diphtheria, and poliomyelitis.
- This contrasts with children adopted from other countries, who generally had documented adequate vaccination status.
- The findings highlight potential gaps in vaccine efficacy or record-keeping for this specific population.
Key Insights:
- Significant percentage of China-adopted children lack protective antibody levels despite complete vaccination records.
- Discrepancies necessitate targeted serological testing or re-immunization strategies.
- International adoption requires careful health assessments beyond documented vaccination history.
Outlook:
- Recommend routine antibody titre testing for children adopted from China.
- Suggest re-vaccination protocols for those with inadequate protection.
- Emphasize the need for improved global vaccination record verification for internationally adopted children.
Abstract:
Many children adopted from China have antibody titres that do not correlate with those expected from their medical records. We have compared the concentrations of antibodies to poliomyelitis, diphtheria, and tetanus in children adopted from China, those adopted from other countries, and those vaccinated in the Netherlands and the UK. About 30% of children adopted from China did not have adequate protection from tetanus, diphtheria, or poliomyelitis, despite having complete vaccination recorded in their vaccination documents. These children, unlike those adopted from other countries who have documented evidence of adequate vaccination status, should be tested for antibody concentrations or reimmunised.
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