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Lancet infect dis:黄热病疫苗的全球覆盖情况。

2017-08-17 MedSci MedSci原创

黄热病是由黄热病毒引起的急性传染病,主要通过伊蚊叮咬传播,传染性强、死亡率高。主要临床表现有高热、头痛、黄疸、蛋白尿、相对缓脉和出血等。主要在非洲和南美洲的热带和亚热带呈地方性流行,亚洲尚无病例报告。

黄热病是由黄热病毒引起的急性传染病,主要通过伊蚊叮咬传播,传染性强、死亡率高。主要临床表现有高热、头痛、黄疸、蛋白尿、相对缓脉和出血等。主要在非洲和南美洲的热带和亚热带呈地方性流行,亚洲尚无病例报告。背景:在过去的2年,在安哥拉和巴西爆发了大量黄热病,加上全球疫苗库存短缺,迫切需要对现在的疾控策略进行评估。本研究的目的是评估1970年-2016年全球各地区黄热病疫苗的覆盖情况,并计算仍需要疫苗的人数,以达到预防爆发的临界值。方法:研究人员进行一校正的回顾性分析,检索1939年5月1日-2016年10月29日间发表的关于黄热病疫苗的文献。为解释疫苗运动目的的不确定性,研究人员计算了三种人口的覆盖率,以涵盖不同的情况。将检索到的数据与人口统计信息结合在一起,并通过时间追踪疫苗接种覆盖率的变化,以估计1970年-2016年黄热病病毒传播风险的国家中接种黄热病疫苗的人口比例。结果:总体上,1970年以来疫苗的覆盖率大幅增加,但在黄热病危险区的当代覆盖率仍存在显着差异。估计在黄热病风险区域仍有3.937-4.729亿人需要接种疫苗,才能到达WHO推荐的80%的人口覆盖率;也就是说黄热病风险区域4

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    2019-01-12 1e145228m78(暂无匿称)

    学习了,谢谢作者分享!

    0

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    2018-01-16 howi
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    2017-08-25 三生有幸9135

    学习一下谢谢分享

    0

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    2017-08-17 三生有幸9135

    学习一下谢谢分享

    0

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  安哥拉军队今年2月在首都罗安达某集市监督黄热病疫苗接种。 图片来源:JOOST DE RAEYMAEKER 尽管安哥拉和刚果民主共和国城市黄热病疫情连续数周警报升温,但世界卫生组织(WHO)5月19日将紧张度降低了一些。该组织称此次疫情暴发为“一次严重的公共卫生事件”,但是因为黄热病的国际传播已经放缓,而且疫苗供应在恢复,WHO的一个委员会并未宣布其为“国际关注突发公共卫

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