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Trends in childhood pneumococcal vaccine coverage in Shanghai, China, 2005–2011: a retrospective cohort study
BACKGROUND: In China, the pneumococcal conjugate vaccine (PCV7) and the pneumococcal polysaccharide vaccine (PPSV23) are not offered under the government’s Expanded Program on Immunization and are instead administered for a fee. PCV7 is more effective and covers more serotypes associated with invasi...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2016
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4736258/ https://www.ncbi.nlm.nih.gov/pubmed/26830912 http://dx.doi.org/10.1186/s12889-016-2785-7 |