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Lancet Respir Med:多价肺炎球菌结合疫苗对儿童侵袭性肺炎球菌疾病的影响

2017-05-04 zhangfan MedSci原创

研究表明,使用了10价及13价疫苗后,所有血清型病毒的发病率均下降,但13价疫苗以外的肺炎球菌亚型引起疾病的发病率上升表明细菌亚型有突变的风险。对于儿童PCV10和 PCV13疫苗接种计划的长期监测至关重要。

肺炎链球菌侵入性疾病监控网络(SpIDnet)是7个欧洲国家的9个地区的肺炎监控体系,其中5个地区使用13价肺炎球菌结合疫苗(PCV13),4个地区使用10价和13价疫苗,6个地区的疫苗接种率超过90%,其余地区在67-78%。近日研究人员就疫苗对5岁以下儿童侵袭性肺炎球菌疾病发病率的影响进行研究。

研究人员比较了在引入PCV13 和 PCV10疫苗后的4年时间与之前使用PCV7疫苗时期,侵袭性肺炎球菌疾病的发病率比率的变化。

研究发现,在10价和13价疫苗普及后各型肺炎球菌疾病的发病率比率为0·53 (95% CI 0·43-0·65),PCV7型肺炎球菌疾病的发病率比率为0.16,1,5和 7F亚型的肺炎球菌疾病的发病率比率为0.17,3,6A和19A亚型的发病率比率为0.41。仅使用13价疫苗的地区发病率比率与使用7价和13价地区的发病率比率相近。13价疫苗以外的肺炎球菌亚型引起的疾病发病率比率为1.62。

研究表明,使用了10价及13价疫苗后,所有血清型病毒的发病率均下降,但13价疫苗以外的肺炎球菌亚型引起疾病的发病率上升表明细菌亚型有突变的风险。对于儿童PCV10和 PCV13疫苗接种计划的长期监测至关重要。

原文出处:


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    2017-08-12 howi
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    2017-05-08 有备才能无患

    肺炎球菌疫苗只能预防球菌感染,对支原体感染预防作用基本没有

    0

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    2017-05-06 sunyl07
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