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Towards New Broader Spectrum Pneumococcal Vaccines: The Future of Pneumococcal Disease Prevention
Lucia H Lee1, Xin-Xing Gu2, Moon H Nahm3
1Center for Biologics Evaluation and Research, Food and Drug Administration, Rockville, MD 20852, USA. Lucia.Lee@fda.hhs.gov.
Abstract:
Seven-valent pneumococcal conjugate vaccine (PCV7) introduction and routine pediatric use has substantially reduced the burden of Streptococcus pneumoniae disease worldwide. However, a significant amount of disease burden, due to serotypes not contained in PCV7, still exists globally. A newly recognized serotype, 6C, was until recently, identified and reported as serotype 6A. This review summarizes the serotype epidemiology of pneumococcal disease pre- and post-introduction of PCV7, available post-marketing surveillance data following the introduction of higher valency pneumococcal vaccines (PCV10, PCV13) and future prospects for the development of new pneumococcal vaccines.
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