Article de revue

Estimating immunisation coverage: is the 'third dose assumption' still valid?

Immunisation coverage is calculated from Australian Childhood Immunisation Register (ACIR) data using the 'third dose assumption'. This assumes that if the third in a series of vaccine doses has been recorded on the ACIR- the previous two doses have been received- whether or not they are recorded. The objectives of this study were to validate the 'third dose assumption'- and measure the impact of the assumption on immunisation coverage estimates at 12 months of age. A sample of children born in 1999 and assessed as fully immunised at 12 months of age by applying the 'third dose assumption' were selected from the ACIR. Parents were interviewed by telephone to obtain information about vaccinations not recorded on the ACIR. Based on the survey results- the impact of the 'third-dose assumption' on national coverage estimates at 12 months of age was estimated. Of 219 surveyed children assessed as up-to-date at 12 months of age only by applying the 'third dose assumption'- 212 (96.8%) met study criteria of 'definit

Langues

  • Anglais

Année de publication

2003

Journal

Communicable diseases intelligence quarterly report

Volume

3

Type

Article de revue

Catégories

  • Données

Pays

  • Australie

Mots-clés

  • ICT

Régions de l'OMS

  • Région du Pacifique occidental

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Hull et al. - 2003 - Estimating immunisation coverage is the third dose assumption still valid2.pdf

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