Serotype distribution of Streptococcus pneumoniae causing invasive disease in the Republic of Ireland

Epidemiology and Infection
I VickersH Humphreys

Abstract

The 7-valent pneumococcal conjugate vaccine (PCV7) was included in the routine infant immunization schedule in Ireland in September 2008. We determined the serotype of 977 S. pneumoniae isolates causing invasive disease between 2000-2002 and 2007-2008, assessed for the presence of the recently described serotype 6C and determined the susceptibility of isolates during 2007-2008 to penicillin and cefotaxime. Serotype 14 was the most common serotype during both periods and 7·7% of isolates previously typed as serotype 6A were serotype 6C. During 2000-2002 and 2007-2008, PCV7 could potentially have prevented 85% and 74% of invasive pneumococcal disease in the target population (i.e. children aged <2 years), respectively. The level of penicillin non-susceptibility was 17% in 2007-2008. Ongoing surveillance of serotypes is required to determine the impact of PCV7 in the Irish population and to assess the potential of new vaccines with expanded valency.

Associated Clinical Trials

Aug 28, 2015·Professor Richard Costello

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Dec 18, 2013·Clinical Infectious Diseases : an Official Publication of the Infectious Diseases Society of America·John D Grabenstein, David J Weber
Aug 21, 2012·Clinical Infectious Diseases : an Official Publication of the Infectious Diseases Society of America·M Catherine McEllistrem, Moon H Nahm
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