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The preventable burden of pneumococcal disease in the developing world.

机译:发展中国家肺炎球菌疾病的可预防负担。

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The efficacy of pneumococcal conjugate vaccines (PCV) and their remarkable success in operational use in North America challenge us to define the burden of pneumococcal disease and the likely benefits of PCV use in developing countries. Community-based incidence studies of invasive pneumococcal disease (IPD) and vaccine probe analyses of efficacy trials suggest there are approximately 814 000 pneumococcal deaths in children aged <5 years in developing countries each year and 1-4 million episodes of pneumococcal pneumonia in Africa alone. PCV will be effective where there is a demonstrable burden of IPD attributable to vaccine serotypes but herd protection and serotype replacement effects are unpredictable given existing knowledge of pneumococcal epidemiology in developing countries. Operational use of PCV in well-monitored settings is required to estimate these effects..
机译:肺炎球菌结合疫苗(PCV)的功效及其在北美地区的实际应用取得了巨大成功,这使我们难以确定肺炎球菌疾病的负担以及在发展中国家使用PCV可能带来的好处。基于社区的侵袭性肺炎球菌疾病(IPD)发病率研究和功效试验的疫苗探针分析表明,仅在非洲,每年发展中国家的5岁以下儿童中约有814 000例肺炎球菌死亡,仅非洲就有1-4百万例肺炎球菌性肺炎发作。如果疫苗血清型可导致明显的IPD负担,但PCV将是有效的,但鉴于发展中国家对肺炎球菌流行病学的了解,畜群保护和血清型替代作用是不可预测的。需要在受良好监视的设置中使用PCV来估计这些影响。

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