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

如果发生了这种情况，这些变异的变种就会超过它们的表亲，占据主导地位。

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。

White Bengal tigers are a variant of the better-known orange Bengal tigers.

孟加拉白为大家熟知的孟加拉黄的变种。

Then definitely we missing out on possible variants that are, you know, emerging.

必然就会错过可能出的变种。

He said problems from a new variant are " the last thing we need" .

他说，来自新变种病毒的问题我们" 最不需要的东西。"

There may be another phase of the pandemic with new variants resistant to current vaccines.

新冠病毒的另一个阶段可能对有疫苗具有抗药性的新变种。

The announcement follows a sharp rise in COVID infections fueled by the Delta variant.

这一消息宣布之前，“德尔塔”变种导致的新冠肺炎感染数急剧上升。

There's concern, of course, about new variants of the virus.

们担心病毒产生新的变种。

A surge in cases driven by new variance has pushed health systems to their limits.

由于新的病毒变种导致的病例正在激增，这已将巴西的卫生系统推向极限。

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

一些国家出的病毒变种传染性强。

More signs of growing pressure on UK hospitals from the new coronavirus variant.

冠状病毒的新变种毒株给英国医院带来了越来越大的压力。

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

新变种的传染率高出70%。

A South African strain has been widespread 20 other countries.

一种起源于南非的病毒变种已经在其他20个国家传播。

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.

该病毒变种指的首次印度发的 Delta 变种。

The omicron variant is even more transmissible.

奥密克戎变种的传播性强。

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

截至目前，美国已有10个州报告了72例感染病毒变种的病例。

Tedros Ghebreyesus warned that Omicron should not be described as mild.

谭德塞警告称，奥米克戎不应该被描述为一种温和的变种。

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。