Safety and immunogenicity of the 23-valent pneumococcal polysaccharide vaccine at 12 months of age, following one, two, or three doses of the 7-valent pneumococcal conjugate vaccine in infancy

F. M. Russell*, P. V. Licciardi, A. Balloch, V. Biaukula, L. Tikoduadua, J. R. Carapetis, J. Nelson, A. W.J. Jenney, L. Waqatakirewa, S. Colquhoun, Y. B. Cheung, M. L.K. Tang, E. K. Mulholland

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

29 Citations (Scopus)

Abstract

Fijian infants aged 6 weeks were stratified by ethnicity and randomized to receive 0, 1, 2, or 3 PCV-7 doses with or without the 23-valent pneumococcal polysaccharide vaccine (PPV-23) at 12 months. Strong booster effects for all 7 PCV-7 serotypes were elicited, and for 4/7 serotypes these responses were highest in the single PCV-7 group. There were fourfold rises in GMC for all non-PCV-7 serotypes. By 17 months the PPV-23 group still had significantly higher GMC (each p < 0.001) for all serotypes. The PPV-23 was well tolerated and induced excellent responses for all serotypes which were greatest in the single PCV-7 group.

Original languageEnglish
Pages (from-to)3086-3094
Number of pages9
JournalVaccine
Volume28
Issue number18
DOIs
Publication statusPublished - 19 Apr 2010
Externally publishedYes

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