Serotype distribution and antimicrobial resistance of Streptococcus pneumoniae in China among children under 14 years of age post-implementation of the PCV13: a systematic review and meta-analysis (2017-2024)
Abstract
Background: Streptococcus pneumoniae (S. pneumoniae) is a major cause of morbidity and mortality in children worldwide, and its evolving serotype distribution and antibiotic resistance patterns are of global health concern. This meta-analysis aims to investigate the serotype distribution and antimicrobial resistance of S. pneumoniae after the introduction of pneumococcal conjugate vaccine 13-valent (PCV13) as a self-funded vaccine in Chinese pediatric populations.
Methods: We systematically reviewed studies published between 2017 and 2024 that focused on S. pneumoniae serotypes isolated from children under 14 years old in mainland China. Data sources included PubMed, Embase, Web of Science, CNKI, Wanfang, and SinoMed. The findings were synthesized using either a fixed-effects or random-effects model.
Results: Our meta-analysis included 12 studies, identifying the most common serotypes of S. pneumoniae were 19 F, 19 A, 23 F, 14, 6B and 6 A. Vaccine serotype coverage rates were 52.17% (95%CI: 44.91-59.42%) for PCV10, 74.77% (95%CI: 71.53-78.01%) for PCV13, 76.72% (95%CI: 75.37-78.07%) for PCV15 and 92.90% (95%CI: 92.09-93.71%) for PPSV23. Antimicrobial resistance was most pronounced for erythromycin at 93.73% (95%CI: 90.58-96.88%), followed by azithromycin, tetracycline, clindamycin, and sulfamethoxazole. Serotype prevalence and vaccine coverage varied regionally and by strain type.
Conclusion: The distribution of S. pneumoniae serotypes and their antibiotic resistance…
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Evidence Hub reads this as a meta-analysis, done in people. Its evidence level is 1 of 5 (Highest · pooled evidence). Pooled evidence from several studies sits at the top of the evidence pyramid.
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