MERS比SARS传染性低但更危险

2013-07-31 武国宇 中国网

据法国《费加罗报》网站7月26日报道,最新研究表明,新型冠状病毒MERS-CoV传染性更低,但危险性却强于非典病毒,后者曾于2003年在亚洲造成约800人死亡。 MERS-CoV病毒最早出现于2012年的中东,当时它还属于科学技术远未探知的领域,但随着相关研究的跟进,权威医疗杂志《柳叶刀》也于周五公布相关信息,提出假说认为该类病原体的增殖与传播比2003年在亚洲造成800余患者死亡的非典缓慢得多

据法国《费加罗报》网站7月26日报道,最新研究表明,新型冠状病毒MERS-CoV传染性更低,但危险性却强于非典病毒,后者曾于2003年在亚洲造成约800人死亡。

MERS-CoV病毒最早出现于2012年的中东,当时它还属于科学技术远未探知的领域,但随着相关研究的跟进,权威医疗杂志《柳叶刀》也于周五公布相关信息,提出假说认为该类病原体的增殖与传播比2003年在亚洲造成800余患者死亡的非典缓慢得多。

梅米什教授解释称,尽管该病毒与非典病毒的临床表现十分相近,如发烧发热、咳嗽、有一定的潜伏期等,MERS病毒仍然与非典病毒有着重要的不同,该病毒引起的病症会迅速转重导致呼吸困难,沙特阿拉伯健康部副部长主管该项研究,并在对47例感染病例进行研究后在本国范围内证实了这一结论。

这种新病毒引发的病症被称为中东呼吸系统综合症,该病毒与2003年引发非典型性肺炎疫情,造成8000余人感染的SRAS病毒属于同一谱系,但SRAS病毒感染性更强。研究表明,SRAS病毒更容易在医疗机构中和年轻人之间传播。

90例感染病例中已有45人死亡,消息已经官方证实

相比之下,中东呼吸系统综合症病毒更容易传染老年人,特别是男性,其中绝大部分都患有一种或几种慢性疾病,如糖尿病(68%)、肾衰竭(49%)、高血压(34%)以及心脏病(28%)。慢性病患者感染MERS病毒后的死亡率达60%。

据伦敦大学学院的阿里·祖姆拉教授的说法,通过对患者接触者,即其子女及其他家庭成员的初期症状检查,表明我们查明的只是冰山一角。关键在于查明感染源,先天影响因素以及消极预期,而不是看起来可能奏效的,在医院中采取措施控制传染。

据法国健康部长透露,到目前为止,90名被确诊感染MERS病毒的患者中已有45人死亡,病毒来源可能是动物,但目前仍不明确。不断扩散的不安情绪已经影响到了一年一度的麦加朝觐,按照往年的情况,每到十月,都有超过三百万人齐聚麦加,期待朝觐仪式的举行,而目前,世界健康组织还没有对旅行作出任何限制,但沙特政府已经开始限制签证的发放,特别是针对慢性病患者、老人、孕妇、儿童。

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    2014-06-29 xzw113
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    2014-03-15 anminleiryan
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    2013-08-02 小刀医生
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