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Expert Rev Vaccines. 2006 Oct;5(5):641-9.

Postlicensure epidemiology of childhood vaccination: the Danish experience.

Author information

1
Statens Serum Institut, Department of Epidemiology Research, Artillerivej 5, 2300 Copenhagen S, Denmark. aii@ssi.dk

Abstract

The efficacy, the ability to confer protection against a target disease and the safety of a vaccine are assessed in great detail before licensure. However, inherent limitations in the prelicensure assessment necessitate continued epidemiological evaluations of efficacy and safety issues after the introduction of vaccines into use. In Denmark, the opportunities available for epidemiological research are unique. In 2001, an initiative was undertaken to take advantage of these opportunities to study the postlicensure epidemiology of childhood vaccination with respect to effectiveness and safety. First, we describe the unique opportunities for postlicensure research in Denmark with respect to the data sources available and the epidemiological and statistical methods used. We then describe a number of recent postlicensure studies of effectiveness and safety that took advantage of these opportunities. Specifically, studies on the effectiveness of Haemophilus influenzae type b vaccination, the effectiveness of pertussis vaccination, the impact of a preschool pertussis booster on infant pertussis, measles-mumps-rubella vaccine and autism, thimerosal-containing vaccine and autism, measles-mumps-rubella vaccine and febrile seizures, childhood vaccination and Type 1 diabetes, and childhood vaccination and nontargeted infectious disease are discussed.

PMID:
17181438
DOI:
10.1586/14760584.5.5.641
[Indexed for MEDLINE]

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