马达加斯加流行致命瘟疫

2017-10-12 张章 科学网

近日,一种最致命的肺炎瘟疫袭击了马达加斯加的主要城市和城镇,并正在迅速蔓延。10月7日,马达加斯加卫生部报道,已有343人被感染,42人死亡,并且相关数字正在迅速上升。

近日,一种最致命的肺炎瘟疫袭击了马达加斯加的主要城市和城镇,并正在迅速蔓延。10月7日,马达加斯加卫生部报道,已有343人被感染,42人死亡,并且相关数字正在迅速上升。


目前,相关部门正在进行大规模的应对工作,并且世卫组织(WHO)宣布当地处于高度戒备状态。这个贫穷的岛国经常受到鼠疫的影响,但疫情通常是相对不那么危险的淋巴腺鼠疫(黑死病),主要由跳蚤传播给人类,并发生在偏远地区。黑死病在14世纪杀死了大约60%的欧洲人。

据报道,今年暴发的鼠疫疫情以肺鼠疫病例为主,且首次暴发于以往的非流行区和人口密集的沿海地区,影响范围广。

而尤其令人担忧的是,肺鼠疫很容易通过咳嗽传染给人,而且疫情已经到达了人口密集的城市地区,包括首都塔那那利佛。如果不及时使用抗生素治疗,肺鼠疫是100%致命的。

医务人员记录的首例患者是一名31岁的男子,他出现了类似疟疾的症状,他搭乘合乘计程车从一处偏远地区穿过塔那那利佛。该男子于8月27日在途中死亡。

而且,大量病例开始出现在他的旅行路线上。塔那那利佛随之也出现该疫情,该市政府已经关闭学校,公共活动也被取消。目前,这次疫情已经在10个地区的20个区域暴发。

9月11,一位47岁的女性在塔那那利佛的一所医院里死亡。之后不久,WHO得知了这一疫情。WHO评估称,该疫情国内传播风险高、区域传播风险温和,而国际传播风险低,但这些内容正在重新评估。但如果立即使用抗生素,就可以治愈鼠疫,于是WHO在10月6日,为该国提供了120万剂抗生素,并划拨了150万美元。

据悉,鼠疫是由鼠疫杆菌所致的检疫传染病。肺鼠疫属于最致命的鼠疫,它可以通过空气中的飞沫和人与人之间的接触引起严重的流行,其潜伏期很短,一般不超过24小时。马达加斯加每年均有鼠疫疫情暴发,暴发期一般为每年的9月至第二年的4月。

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    2017-10-13 Tamikia
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    2017-10-13 1dd8c52fm63(暂无匿称)

    学习学习.继续关注

    0

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    2017-10-12 Y—xianghai

    学习了新知识

    0

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    2017-10-12 lyh994

    全球疫情通报

    0