Restrictions have recently tightened further because of new variants.

由于病毒出现了体，限制最近进一步收紧。

They've released almost 700 new plant variations since 1927.

自1927年以来，他们已经发布了近七百个植物体。

A US scientist says vaccinations and precautions can help stop the rise of new COVID-19 cases driven by new variants.

一名美国科学家表示，接种疫苗和预防措施可以帮助阻止肺炎体病例增长。

COVID-19 hospital admission and death rates are going up, and new omicron variants are being blamed.

肺炎入院率和死亡率都上升，奥密体被认为是始作俑者。

There is growing concern in the U. S. over a spike in COVID-19 infections tied to a new Omicron variant.

美国，人们对与奥密体有关病毒感染病例激增关注加大。

Possibly, unle-ss vaccine makers can develop new booster shots that target Omicron's subvariants.

刘易斯：有可能，除非疫苗制造商能够开发出针对 Omicron 亚体加强针。

Russia says it's started developing a new version of the Sputnik vaccine adapted to the new COVID-19 Omicron variant.

俄罗斯表示，已开始开发一种适应病毒体 Omicron 版 Sputnik 疫苗。

The World Health Organization is seeking a global treaty between nations on responding to pandemics amid growing concerns over the new COVID-19 Omicron.

人们对病毒体 Omicron 越来越关注情况下，世界卫生组织正寻求各国之间达成一项应对疫情全球条约。

And, at the same time, if you think about production, each time a company creates a new variation of a product, production costs go up.

而且， 与此同时， 如果您考虑生产，每次公司创建产品体时，生产成本都会上升。

The WHO chief was speaking at the start of a three-day special session of the World Health Assembly on Monday amid growing concerns over the new Omicron coronavirus variant.

世卫组织负责人周一举行为期三天世界卫生大会特别会议开始时发表讲话，当时人们对体 Omicron 担忧越来越大。

Just 15% of people in the U.S. ages 5 and older have gotten a bivalent booster, according to the CDC, which means many people are currently not as protected as they could be against the new variant.

根据美国疾病控制与预防中心数据，美国5岁及以上人群中，只有15%人接种了二价疫苗，这意味着许多人目前对这种体保护程度没有达到应有水平。

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?

全球范围内正不断出现病毒体或毒株，当它像其他病毒一样异时，一个很严重问题是，现有疫苗能否保护人们免受病毒种毒株感染呢？

You know, I think it's interesting that the variant, at least for me, it's definitely caught me off guard, every time there is a new variant, you know, Omicron, Delta, Alpha, all the ones you've mentioned.

你知道，我认为这个体很有趣， 至少对我来说，它肯定让我措手不及， 每次有一个体， 你知道，Omicron、Delta、Alpha，所有你提到。

Today, we'll look at how new Omicron subvariants are already increasing cases and hospitalizations… Fischman: And we'll try to figure out if fall vaccine boosters should contain standard Omicron or some of those new subvariants instead.

今天，我们将看看 Omicron 亚体如何增加病例和住院率… … Fischman：我们将尝试弄清楚秋季疫苗助推器是否应该包含标准 Omicron 或其中一些亚体。