Currently, none of the evidence on asymptomatic transmission is watertight.

目前，关于无症状传染的证据没有一个是无懈可击的。

All virtual facing a seemingly never-ending contagion.

实际上，我们面对着一场似乎永不停止的传染病。

It's not clear whether they were infectious.

病毒的传染性还不得而知。

They're having fun, and as the audiences' exuberant reactions indicate, the fun is contagious.

他们很开心，正如观众们热情洋溢的反应表明的那样，快乐是会传染的。

The oldest form of empathy is contagious fear.

同理心最古老的一种形式 就是具有传染力的恐惧。

Some of the mutations have been associated with higher transmissibility.

其中一些变可能会有更高的传染性。

Old and new diseases compound each other.

传统的传染性疾病与近来的非传染性疾病同着发展中国家。

Supporters of contact tracing, which include the director of the U.S. Centers for Disease Control, say the process is fundamental for controlling the spread of communicable diseases, like coronavirus.

包括美国疾病控制中心主任在内的接触者追踪技术的支持者们，他们认为这一方法能有效控制传染性疾病的传播，比如冠状病毒。

I-I-I basically mixed this with a more contagious flu virus.

我加入了一种更具传染性的流感病毒。

I think you have chicken pox! You are contagious! Get away! Don't breathe on me!

我觉得你可能长水痘了！会传染的！快走开！不要对着我呼吸！

She says anti-mask feelings stem partly from perceptions of low disease risk.

她说反对口罩的观点，某种程度上来自于低传染风险的认知。

The pleasure of connection seems contagious.

联系的乐趣似乎是可以传染的。

The atmosphere of feverish excitement was highly infectious; Harry couldn't stop grinning.

这种狂热的兴奋情绪是很有传染性的，哈利也忍不住笑得合不拢嘴。

The awful contagion that now spreads among us tends to afflict the old more harshly than the young, so you may or may not feel your own life at risk.

比起轻人，在我们中间蔓延着的可怕传染病往往更残酷地折磨着老人，因此你们可能不会感受到自己的生命处于危险之中。

The virus cell that was sneezed into your lungs is sneaky.

由喷嚏传染的病毒细胞会偷偷摸摸进入你的肺中。

It's it's contagious and I I didn't want to disappoint them, you know they put so much you know, they give you courage and confidence and they really want you to take off.

这种热情是传染的，我不想让他们失望，他们给了我很多鼓励和信心，真心希望我成功。

This year America has had its second greatest number of diagnosis since the year 2000.

今，美国爆发了自2000以来的第二大规模的麻疹传染。

They're not certain how contagious people are when they get it.

当有人感染，他们也不能确定这些感染者的传染性有多强。

Regarding vaccinations, here in Japan, less than one percent of the population has been fully vaccinated which is a big point of concern for infectious disease specialists.

关于日本疫苗接种情况，只有不到百分之一的人完全接种了疫苗，这引起了传染病专家的担忧。

That was reportedly twice as contagious as previous versions of it.

据报道，变异毒株的传染性是普通冠状病毒的两倍。