Abstract
Introduction
Little is known about the completeness and timely administration of recommended standard immunizations in Germany. The goal of this study was to determine compliance with official standard immunization recommendations in adolescents attending secondary schools in the city of Erlangen, Germany.
Methods
Adolescents who were attending 5th grade (at approximately 11 years of age), 8th grade (14 years), or 10th and 11th grade (16–17 years) classes at any of the 13 of 14 schools that had agreed to participate were eligible to be enrolled.
Results
While coverage for the primary series of diphtheria, tetanus and poliomyelitis immunizations was satisfactory (98%), coverage for measles-mumps-rubella immunizations (dose 1: 89–96%; dose 2: 60–76%) and hepatitis B (doses 1–3: 61%) was suboptimal. Of note, 39% of students had not received any immunization against pertussis. Completion of immunization series generally was significantly delayed. Furthermore, rates for recommended booster doses in adolescence were disappointingly low with 21% for tetanus component vaccines and <10% for the fifth dose of pertussis.
Conclusions
Significant immunization gaps for all recommended standard immunizations in adolescents were detected. This puts individuals at risk for serious vaccine-preventable diseases, contributes to suboptimal herd immunity in the population under study leaving the potential for future epidemics, and impedes national and international targets of disease reduction or elimination.
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Abbreviations
- DTPa:
-
Diphtheria, tetanus, acellular pertussis component vaccine
- IPV:
-
Inactivated poliomyelitis vaccine
- OPV:
-
Oral poliomyelitis vaccine
- Hib:
-
Haemophilus influenzae type B vaccine
- hep B:
-
Hepatitis B vaccine
- MMR:
-
Measles, mumps, rubella vaccine
- Td:
-
Reduced diphtheria toxoid and tetanus toxoid vaccine
- Tdpa:
-
Td, plus reduced antigen acellular pertussis component vaccine
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Acknowledgements
We are grateful to the participating students and their parents, to the heads of secondary schools for their support, and to Dr. P. Lederer, Public Health Service of the city of Erlangen, Germany, for assistance in preparing this investigation.
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This work contains data from the medical thesis of Kerstin Loos at the Medical Faculty, University of Erlangen, Germany.
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Heininger, U., Loos, K., Lorenz, I. et al. Compliance with recommended immunizations in adolescents. Eur J Pediatr 165, 671–676 (2006). https://doi.org/10.1007/s00431-006-0161-9
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DOI: https://doi.org/10.1007/s00431-006-0161-9