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

如果发了这种况，这些变异的变种就会超过它们的亲，占据主导地位。

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病毒新变种的影响，其传染性可能比其他毒株高70%。

However, it is in the grip of a vicious surge fuelled by a deadly variant.

然而，一种由致命变种病毒引发的恶性激增正笼罩着欧盟。

It's still too early to tell, however preliminary evidence suggests that this may not be the case, and that really hasn't been the case with previous variants.

现在说这些还太早，然而初步证据，况可能并非如此，而且以的变种也不是如此。

Headlining today's program, the World Health Organization, part of the United Nations, is telling governments to stay calm and take quote " rational" measures to guard against a new variant of COVID.

联合国下属的世界卫组织告知各国政府保持冷静，并采取合理措施来防范新冠病毒的新变种。

New variants or strains of COVID-19 are appearing around the world, as it mutates like other viruses do and one big question being asked is, will existing vaccines protect people against the new versions of coronavirus?

全球范围内正在不断出现新冠病毒的新变体或毒株，当它像其他病毒一样变异时，一个很严重的问题是，现有的疫苗能否保护人们免受新冠病毒的变种毒株的感染呢？

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，一种冠状病毒的新变种或版本正在蔓延，比起之的毒株，它正在感染更多的年轻人，并且美国各地新发病例可能再次上升。

I mean I have friends who ask me about these variants where I'm just stunned at how up to date they are with the latest information so for people who want to learn facts this is a golden age.

比如我的一些朋友问起我最近的病毒变种时，我会被他们了解最新资讯的速度所震惊，当今时代对想要了解事实的人来说是个黄金时代。

These virus variants that are circulating in a number of countries are more transmissible.

一些国家出现的病毒变种传染性更强。

There's been a lot of fast-moving news over the past few days concerning a new variant or new mutation of coronavirus.

这几天有很多关于新冠病毒一种新的变种或变异毒株的新闻快讯。

That is thought to be up to 70% more infectious.

新变种的传染率高出70%。

New variants of the virus are being reported.

该病毒的新变种已经被曝光。

A highly infectious variant of the virus now makes up most new cases.

一种高度传染的病毒变种现在构成了该国大部分新增病例。

The variant of concern is the Delta strain first identified in India.

该病毒变种指的是首次印度发现的 Delta 变种。

The omicron variant is even more transmissible.

奥密克戎变种的传播性更强。

So far, 10 U.S. states have reported 72 cases of the new form.

截至目，美国已有10个州报告了72例感染病毒变种的病例。

Research shows an additional shot can provide about 85% protection against severe illness through Omicron.

研究，注射加强针，可以对奥密克戎变种引起的严重疾病起到约85%的预防效果。

Yale infectious disease expert Dr. Elbert Ko warns that new variants can emerge.

耶鲁大传染病专家埃尔伯特·柯博士警告称，新的变种可能会出现。

But then a new variant, a new strain of the disease arrived in America.

但后来一种新的变种病毒，一种新的疾病菌株进入美国。

He says the JN.1 variant is now the most prominent variant in the world.

他说，JN.1型现在是世界上最主要的变种。