Why has it been designated as a " variant of concern" ?

为什么奥密克戎被称为“关切变异株”？

Just under a year ago, he appeared at a public lecture in a wheelchair to announce that he was suffering from a variant of motor-neurone disease, in which the body succumbs to inexorable paralysis: like being imprisoned in a shrinking cell, he said.

就在一年前，他出现在公共演讲庭，坐在轮椅上告诉别人，自己现如今正被不同种类动态神经细胞变所折磨，这是一种将身体蹂躏成麻痹状态：觉像困兽般被囚禁在一个不断缩小牢笼中，他坦言到。

The " Delta variant" is blamed for this increase.

" 德尔塔变异毒株" 是此增长罪魁祸首。

If that happens, those mutant variants can outcompete their cousins and dominate.

如果发生了这种情况，这些变异变种就会超过它们表亲，占据导地位。

There's also growing concern over the impact of the new coronavirus variant, which could be up to 70 percent more infectious than other strains.

人们也越来越担心冠状毒新变种影响，其传染性可能比其他毒株高70%。

It tumbled rapidly into recipe books with as many variants as there were writers.

它很快就被写进了食谱书，有多少作家就有多少种版本。

Wastewater tracking could also be useful for spotting new variants.

废水能有助于发现新变异。

A new coronavirus variant of concern, BA.2.86, is spreading across the country.

此外，美国本土监测到新奥密克戎变异株 BA.2.86。

I've never seen a Unix variant like that before.

我没见过像这样Unix系统变种。

World Health Organization experts say there's no evidence that the highly contagious new variant of coronavirus that's taken hold in Britain is more severe than existing strains.

世界卫生组织专家表示，没有证据表明在英国发现新型高传染性冠状毒比现有毒更严重。

What this says to me is that the delta variant is ebbing, more people have been vaccinated and there is a lot of pent up demand in the system post-COVID.

对我而言，说明德尔塔毒变异毒株影响力正在减弱，更多人接种了疫苗，以及在后疫情时期有很多被抑制需求。

With only a small sample, Parabon can pull from 10's of thousands of genetic variants to predict what a person looks like.

只需一个小样本，Parabon 就可以从10万个基因变异中提取出预测一个人长什么样。

These crop up when viruses naturally mutate and scientists don't know yet how effective existing vaccines are in protecting people against these variants.

当毒自然变异时，就会出现这些突变类型，而科学家们不知道现有疫苗在保护人们免受这些变异影响方面效果怎样。

Now I know this sounds scary, but experts agree this is nothing to worry about and there is no evidence that this variant spreads faster, is more deadly or is immune to the vaccine.

我知道这听起来很可怕，但是专家认为这没什么可担心，而且没有证据表明这种变体传播更快、更致命或对疫苗免疫。

Two of the topics that have dominated the news in recent days are inflation, the rise in prices of the stuff we buy, and the Omicron variant of COVID-19.

这几天新闻要围绕两大题，一是通货膨胀，就是节节攀升物价，二是新冠变异毒株奥密克戎。

In Brazil, a new variant or version of coronavirus has been spreading and it's been sickening more young people than previous strains have and across the United States new cases may be on the rise once again.

在巴西，一种冠状毒新变种或版本正在蔓延，比起之前毒株，它正在染更多年轻人，并且美国各地新发例可能再次上升。

Now despite this good news, President Biden has extended the travel restrictions to the U.S. to include South Africa which has been dealing with a dramatic second wave pushed by this more transmissible variant.

尽管有了这个好消息，拜登总统是将旅行限制扩大到全美，包括南非，南非正在应对这种更具传染性毒所引发第二轮疫情。

A recombinant variant happens when a person becomes infected with two or more strain of Covid at one time.

当一个人同时染两种或两种以上新冠毒株时，就会发生重组变异。

There are usually two variants so to say speaking about your character.

通常有两种动作，可以说能描述你性格。

But with cases of Covid infections still in the millions, and doctors warning about new variants of the disease, is the pandemic really coming to an end?

但是新冠肺炎染例仍有数百万例，而且医生警告称这种疾有新变体，这场大流行真要结束了吗？