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2017-04-06

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cc-by (c) Càmara, Jordi et al., 2017
Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/130801

Decrease of invasive pneumococcal disease (IPD) in adults after introduction of pneumococcal 13-valent conjugate vaccine in Spain

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https://doi.org/10.1371/journal.pone.0175224

Resum

A prospective laboratory-based multicenter study that collected all adult invasive pneumococcal disease (IPD) episodes from 6 Spanish hospitals before (2008-2009) and after (2012-2013). The 13-valent pneumococcal conjugate vaccine (PCV13) licensure was conducted in order to analyze the impact of PCV13 introduction for children on adult IPD. A total of 1558 IPD episodes were detected. The incidence of IPD decreased significantly in the second period by-33.9% (95% CI,-40.3% to-26.8%). IPD due to PCV7 serotypes (-52.7%; 95% CI,-64.2% to-37.5%) and to PCV13 additional serotypes (-55.0% 95% CI, -62.0% to-46.7%) significantly decreased whereas IPD due to non-PCV13 serotypes remained stable (1.0% 95% CI,-12.9% to 17.2%). IPD due to all PCV13 additional serotypes significantly declined with the exception of serotype 3 (-11.3%; 95% CI-35.0% to 21.1%). IPD due to two non-PCV13 serotypes varied: serotype 6C that rose (301.6%; 95% CI, 92.7% to 733.3%, p<0.001), related to the expansion of ST386(6C), and serotype 8 that decreased (-34.9%, 95% CI,-57.1 to-1.2, p = 0.049), related to a decline of the ST63(8). The recombinant clone ST6521(11A) (variant of ST156(9V)) increased in frequency. The decrease of serotype 19A IPD was linked to a fall in those antibiotic susceptible clones. In the last period, rates of penicillin-and cefotaxime-resistance remained under 10% and 4%, respectively. Adult IPD decreased after the PCV13 introduction in Spain due to herd protection. The spread of multidrug resistant clones (ST386(6C), ST6521(11A)) related to non-PCV13 serotypes needs further surveillance.

Matèries

Pneumònia, Vacunes, Espanya, Infeccions per pneumococs

Matèries (anglès)

Pneumonia, Vaccines, Spain, Pneumococcal Infections

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Articles publicats en revistes (Patologia i Terapèutica Experimental)
Articles publicats en revistes (Institut d'lnvestigació Biomèdica de Bellvitge (IDIBELL))

Citació

CÀMARA MAS, Jordi, et al. Decrease of invasive pneumococcal disease (IPD) in adults after introduction of pneumococcal 13-valent conjugate vaccine in Spain. PLoS One. 2017. Vol. 12, num. 4, pags. e0175224. ISSN 1932-6203. [consulted: 29 of June of 2026]. Available at: https://hdl.handle.net/2445/130801

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