Vaccination against potentially virulent H5 and H7 serotypes where these are available .

有疫苗的，可以用免疫接种来预防 H5和H7型禽流感感染。

She left so quickly because some virulent virus only four days .

因为某种 致命的病毒，只用了4天，她就走了。

These viruses are among the most virulent pathogens known to infect humans .

这些病毒属于导致人类感染的已知最 剧烈的病原体。

A very virulent form of the disease appeared in Belgium .

比利时出现了这种疾病的一种极其 危险的变体。

More virulent bacteria and / or more severe pneumonias can be associated with destruction of lung tissue and hemorrhage .

毒力 较强细菌性肺炎或更严重的肺炎可能与肺组织破坏和出血有关。

Several virulent attacks have been made on ethnic minorities in the area .

这个地区发生了对少数民族的多次 恶毒攻击。

The virus did not mutate to a more virulent form .

这种病毒并未变异成 攻击 性 更强的种类。

There is economic uncertainty every year but this year it seems to be especially virulent .

历年来美国的经济都 充满了变数，但是今年以来其经济似乎 病入膏肓了。

This has led to some novel approaches to preventing this highly virulent form of IBD .

为防制这一高 致病 力IBD的发生，一些新的免疫方法迎应而生。

Resistant bacteria are often more virulent leading to more severe illness .

具有耐药性的细菌会更加 致命，由此导致更加严重的疾病产生。

The media has waged a virulent hate campaign against her .

新闻界向她发起了 恶毒攻击。

Identification and characteristics of virulent Streptococcus suis type 9 from slaughtered healthy pigs

正常屠宰猪 致病性猪链球菌9型的鉴定和特性研究

The emergence of an inherently more virulent virus during the course of a pandemic can never be ruled out .

在大流行的过程中，病毒本身的 毒力变得更加 强 列，这种可能并不能被排除。

Vibrio vulnificus a worldwide virulent pathogen is mainly found in warm coastal waters .

创伤弧菌是一种遍及全球的 病原体，主要在温暖的沿海水域里发现。

It remains to be seen whether the virus will mutate into a more virulent strain .

该病毒是否会产生变异，成为 毒性更强的 病毒株，仍有等观察。

Objective To observe the effect of rabbit sacculus rotundus peptides on virulent Newcastle disease virus .

目的观察兔圆小囊抗菌肽对鸡新城疫病毒 强 毒株有无抑制作用。

This virus was both lethal and virulent .

这种病毒不但致死率高，而且 毒性 极 强。

A captive wildebeest calf was inoculated with virulent bovine blood .

把活捉到的一头犊角马用有 毒力的牛血液进行了接种。

Scientists show how Salmonella food bacteria in space become more virulent in their weightless surroundings .

科学家显示腔隙的沙门氏菌食物细菌如何在他们的无重量环境方面变得更 有毒。

The toxic activities of600 Bacillus thuringiensis strains isolated from soils and dead insects in China against Locusta migratoria manilensis were analyzed by using a virulent bioassay method .

采用 毒力生物测定的方法，测定了600株从我国各地土壤和死虫等样品中分离的苏云金芽孢杆菌对东亚飞蝗的 毒力。这些菌株几乎分布于已知的70个H血清型。

Cholera is an extremely virulent disease .

霍乱是一种 致命 性 极 强的疾病。

MRSA infections are among the most virulent infections known .

MRSA感染属于已知最为 致命的感染之一。

Aim To investigate the virulent effect of enterococci hemolysin .

目的探讨肠球菌溶血素的 毒力 因子作用。

Pneumonic form of plague is the most virulent and least common form of plague .

肺鼠疫是鼠疫的最 致命和极少见的类型。

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。

The virulent strains had a polysaccharide capsule and formed smooth colonies on agar medium .

有毒菌株具有多糖荚膜它在琼脂培养基上形成光滑的菌落。

Isolation and Identification of a Virulent Strain of Mycoplasma hyopneumoniae

一株猪肺炎支原体 强 毒株的分离和鉴定

We provide a standard virulent virus for testing vaccine efficacy of dog including some economical animals after our work .

该病毒的 成功 分离为 今后犬科动物包括部分经济动物疫苗的评价，提供了效检用 强 毒标准。