As it spreads west, it grows more virulent.

越往西传播得越严重。

Fortunately, while Ebola is highly virulent, several factors limit its contagiousness.

幸好，博拉极度致命，但它的传染性被以下因素所限制。

The fungus is so virulent it can wipe out whole colonies of ants.

这种剧毒的菌类足以杀死整蚂蚁群落。

For example, they're looking into whether less virulent relatives of coronavirus could protect against COVID-19 the way vaccinia protects against smallpox.

例如，他们在研究毒性较低的冠状病毒亲属能否像牛痘预防天花那样预防新冠肺炎。

The opponent made virulent criticism against his rival.

反对者对他的对手提出恶毒的批评。

South Korea is one of them and it's giving us a sense of how other elections may look in these strange and virulent times.

韩国就是其中之一，它让我们了解到，在这奇怪而有“毒”的时代，其他选举可能的样子。

She had a very virulent form of the illness.

她患上了恶疾。

In particularly virulent cases, this damage can be lethal.

在特别剧烈的情况下， 这种损伤可能会致命。

But the virus spread and, whether sooner or later, became virulent.

但这种病毒后来传开了，而且早晚都会夺去性命。

Without their drinking water and after a virulent smallpox epidemic, the Aztecs inside withered away and the Spanish conquered and subsequently raised the city almost completely to the ground brick by brick.

由于没有饮用水，外加一场致命的天花疫情，阿兹特克人在城内逐渐消失，西班牙人征服了这座城市，随后一砖一瓦地将这座城市几夷为平地。

The virus itself could have been more virulent, and more deadly, and the miserable fact is that just because we've had this coronavirus doesn't mean we can't get another, even worse, pandemic.

这种病毒本身的毒性可能会更强，也更致命。一悲哀的事实是，新冠病毒爆发了，但这并不意味着以后不会再爆发其它哪怕更糟糕的流行病。

I think it would be really premature at his time, to now say that the viruses are gonna be much less virulent and not really transmitting very effectively.

我认为现在下结论说艾滋病毒的致命性以及传染的有效性将大大降低还为时过早。

Supporters claim the virulent anti-immigrant rhetoric of the National Front's early years has moderated. But there was shock, though, among immigrant communities in Paris.

支持者称国民阵线早年恶毒的反移民言论已经有所缓和。不过巴黎的移民社区仍是谈虎色变。

We said it came back many times, but never as virulent as those years in the 1300s What might surprise you though?

正如我们刚才所说，它卷土重来了好几次接下来可能要让你为之惊讶了？

The agency has also warned about the possible emergence of new and possibly more virulent variants of the virus in the future.

该机构还警告说，未来可能会出现新的、可能更具毒性的新冠变种。

Oh, other than waiting out the exponential growth period of the virulent organisms trooping through my microvilli into my circulatory system-hunky-dory.

除了等着那些致命的有机物沿着我的绒毛组织 侵入我的血液循环系统外就没啥特别的了。

There is no law of nature that says a virus has to evolve to be less virulent, Barry says.

Barry 说，没有哪条自法则说病毒一定会越进化致命性越低。

In high school, you witnessed a once-in-a-generation pandemic and the virulent spread of conspiracy theories about it.

在高中时期，你们经历了百年不遇的疫情球大流行，也听闻了大量与之相关的阴谋论。

And then in 2014, there was something we called stony coral tissue loss disease as incredibly virulent.

后在2014年，我们发现了一种叫做石珊瑚组织损失病的疾病，它的毒性非常强。

The capsule is considered an important virulence factor since the strains that lack a capsule are less virulent.

荚膜被认为是重要的毒力因子，因为缺少荚膜的菌株毒力相对较弱。