Virulence may vary between strains of the same organism.

But what can the sequences tell us about the virulence and origin of the 1918 strain?

但是,这些基因序列究竟能回答多少关于1918年流感病毒株的毒性及其来源的问题?

The virulence and wound infection ability of the 4 dominant vibrios have been tested in mice.

动物实验数据证实了4种优势弧菌的毒力和伤口感染能力.

Host resistance and fungal virulence parallel each other in the cross.

寄生的抗病性的病原菌的毒力在杂交中是势均力敌的.

The results showed that the JDS-CPV has higher virulence to pine caterpillar.

证实JDS-CPV对我国马尾松毛虫有较好的毒力.

Not so for me insofar as the virulent inflation of the 1970 s is concerned.

不过我不会忘记上世纪70年代美国发生的恶性通货膨胀.

It woke in some men a virulent hatred of a black skin.

在某些人身上这类事会引起他们对黑皮肤的人的刻骨仇恨.

...a particularly virulent strain of the virus.

这种病毒中毒性尤为强烈的一种

However, the peacock although is virulent , cannot abandon the article.

然而, 孔雀虽有毒, 不可废文章.

virulent criticism

恶意的批评

FAO official Samuel Jutzi stresses that H 5 N 1 could turn a virulent human strain at any time.

联合国粮农组织官员于茨强调说,H5N1病毒随时都可能转变成易传染的人体病毒.

Animal experiment showed that it was virulent to mice.

动物试验结果表明,该菌对小白鼠有致病力.

virulent nationalism

不共戴天的民族主义

To Wang's great dismay , a virulent antireform clique dismantled the system.

让王安石伤心的是,恶意的反对改革派废除了整个新法.

Regarded simply as an attack on the Government, his speech was virulent to a degree.

他的讲话十分刻毒, 人们认为这简直是在攻击政府.

Fortunately, the strain was far less virulent than originally feared, killing about 19,000 people.

幸运的是, 这种菌株的毒性远远小于人们原先所担心的, 但也造成了约19,000人死亡.

Fakuda says this particular strain of swine flu could become more or less virulent over time.

福田说,随着时间的推移,这种特殊的猪流感危机将或多或少变得更加剧烈.

virulent anti-Semitism

恶毒的反犹太主义

Now he faces virulent attacks from the Italian media...

现在他面临着意大利媒体的恶毒攻击。

Such infections appear to be more virulent and more easily spread between people than earlier strains.

这类感染似乎比较早出现的菌种更恶毒,并更容易在人们之间蔓延.

Friends spoke of 'a virulent personal campaign' being waged against him.

朋友们说针对他正在发起“一场恶毒的个人攻击”。