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New heavily mutated variant identified in South Africa
Published on: 2021-11-26
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Scientists in South Africa identified on Thursday a concerning new variant of the coronavirus, whose mutations mark a “big jump in evolution” that is driving a spike in new cases.
 

Virologists are rushing to learn more about a variant of the Covid-19 virus that was first identified in Botswana, and which is rapidly outcompeting other versions of the virus in the region of South Africa that includes Johannesburg.
 

The variant, currently denominated B.1.1.529, reportedly has twice as many of the mutations displayed by the Delta variant, which became the dominant variant in most of the world over the summer.
 

It's not clear yet whether the mutations make this variant more infectious or whether it causes more severe illness, but researchers say the high number of mutations to the "spike proteins" — the focus of a body's immune response — may make it more able to get past the body's defenses.
 

南非现新型新冠病毒变种B.1.1529 突变异常之多

南非国家传染病研究所(NICD)当地时间11月25日发表声明表示,目前已在南非检测到一种新型新冠病毒变种B.1.1.529。经过南非国家传染病研究所和私人检测实验室合作进行基因组测序后,目前已在22例阳性病例中检测到该变异毒株。
 

南非国家传染病研究所代理执行董事阿德里安•普伦表示,尽管目前掌握的数据有限,但专家正在与所有监测系统合作,以了解新变种以及可能产生的潜在影响。
 

南非国家传染病研究所警告称,检测到的感染新变种病例和检测呈阳性的人数都在迅速增加,尤其是在南非豪登省、西北省和林波波省。
 

专家表示,这种新变种引起了南非的关注,对该变种的主要担忧是它具有大量突变。

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