Indirect effects of childhood pneumococcal vaccination on pneumococcal carriage among adults and older children in Australian Aboriginal communities

Grant Mackenzie, Jonathan Carapetis, Amanda Leach, Kim Hare, Peter Morris

    Research output: Contribution to journalArticle

    Abstract

    Nasopharyngeal carriage of Streptococcus pneumoniae in unimmunised adults and older children in three remote Australian Aboriginal communities was compared in 2002 and 2004. Universal childhood pneumococcal vaccination with a catch-up program was introduced in late 2001. Carriage prevalence across all age groups of pneumococcal serotypes included in the 7-valent vaccine was 10% in both 2002 and 2004 (12 and 30 months after introduction of vaccination). This carriage prevalence was lower than anticipated. It is likely that indirect effects of childhood vaccination occurred before the 2002 survey. To further assess indirect effects on carriage of childhood pneumococcal vaccination, data prior to 2002 are required. Between 12 and 30 months following introduction of conjugate pneumococcal vaccination, indirect effects on carriage were unchanged. � 2006 Elsevier Ltd. All rights reserved.
    Original languageEnglish
    Pages (from-to)2428-2433
    Number of pages6
    JournalVaccine
    Volume25
    Issue number13
    Publication statusPublished - 2007

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