Ebola is not as easily spread as viruses such as smallpox.
埃博拉病毒不像天花这类病毒那样容易传播。
Computer systems throughout the country are being affected by a series of mysterious rogue programs, known as viruses.
全国的计算机系统正受到一系列称做病毒的神秘的异常程序的影响。
There've been so many viruses going around this winter.
今年冬天有很多病毒四处蔓延。
Most forms of the common cold and flu are caused by viruses.
大部分的普通感冒和流感都是病毒引起的。
Was there a sudden change in the viruses and bacteria around?
周围的病毒和细菌是否突然发生了变化？
It also protects us from viruses and from autoimmune diseases.
它还保护我们免受病毒和自身免疫性疾病的侵害。
This is why many viruses, such as measles, make us ill only once.
这就是为什么许多病毒，如麻疹，只会使我们生病一次。
Prior to the new study, little was known about the risks of getting directly infected by common respiratory viruses, such as the flu or common cold, on an airplane, the researchers said.
研究人员说，在这项新研究之前，人们对于在飞机上直接感染常见的呼吸道病毒，如流感或普通感冒的风险知之甚少。
How does WHO deal with viruses?
世卫组织如何对付病毒？
Vaccination can prepare us against viruses.
接种疫苗能使我们防备病毒。
It tells children not to fear about viruses.
它告诉孩子们不要害怕病毒。
Some viruses, for example, the coronavirus, are sneaky.
有一些病毒是狡猾的，比如冠状病毒。
These viruses can cause deadly diseases, like COVID-19.
这些病毒会导致致命的疾病，比如新型冠状病毒肺炎。
In this vaccine, the viruses are weakened, but they are alive.
在这种疫苗中，病毒被削弱了，但它们还活着。
They are a group of viruses that cause diseases in mammals and birds.
它们是一组引起哺乳动物和鸟类疾病的病毒。
Other wild animals like snakes and hedgehogs are also hosts of many viruses.
其他野生动物如蛇和刺猬也是许多病毒的宿主。
The question is: without enough these viruses how can B cells remember them?
问题是：没有足够的病毒，B细胞如何记住它们？
A wall might separate our flats and masks can separate the viruses, but nothing is able to separate our hearts.
一堵墙可以隔开我们的公寓，口罩可以将病毒阻隔，但没什么可以将我们的心隔开。
In an inactivated vaccine, the coronaviruses are already killed or made into the ones unable to produce more new viruses.
在灭活疫苗中，冠状病毒已经被杀死或被处理至无法产生更多的新病毒。
So in 2015, the World Health Organization announced that the names of viruses should be easy to remember but avoid being named after places, people, animals and foods.
因此，2015年，世界卫生组织宣布，病毒名称要简单好记，但要避开以地名、人名、动物及食物命名。
Only influenza a viruses can cause pandemics.
只有A型流感病毒可造成大流行。
Pandemics, like the viruses that cause them, are unpredictable.
同造成大流行的病毒一样，大流行变幻莫测。
We need to ask why the bees are more susceptible to these viruses.
那么我们就要问，为什么蜜蜂会更容易感染这些病毒？
The viruses, while resistant to oseltamivir, remain sensitive to zanamivir.
这些病毒对奥司他韦具有耐药性，但对扎那米韦仍是敏感的。
Though caused by different viruses, the two diseases are clinically similar.
虽然由不同病毒引起，但是这两种疾病在临床上几乎难以区分。
Though caused by different viruses, the two diseases are clinically similar.
虽然由不同病毒引起，但是这两种疾病在临床上几乎难以区分。
应用推荐