Adjusting public perceptions to suit a far less lethal virus has been problematic.

调整公众对远没有那么致命病毒的看法一直是个问题。

After hatching, any pest larvae that have not been parasitised feed on the remains of their eggs and ingest the lethal virus.

这样，那些没有被寄生蜂寄食的虫卵的幼虫在孵化出来后，会食用自己卵的剩余部分，也吃下了那些致命的病毒。

The most lethal viruses tend to be short-lived because they kill their host before the virus has had a chance to be passed on.

致死力最强的病毒往往很短命，因为它们很快就杀死了宿主（被感染的人），从而失去了到处传播的机会。

The virus did not mutate during the pandemic to a more lethal form.

在大流行期间这一病毒没有突变为某种更致命的形式。

They infected all three strains of mice with lethal doses of influenza virus.

他们把这三株小鼠全部感染了致死剂量流感病毒。

The early indications are that the virus spreads easily, but is not especially lethal - at least outside Mexico.

一些早期的迹象表明，病毒很易传播，但是并不是非常致命，至少在墨西哥以外的国家是这样。

Even if early man could not see virus or bacteria, he was confronted with their lethal impact.

即使早期人类无法见到病毒或细菌，也面临着其致命影响。

Studies have detected no signs that the virus has mutated to a more virulent or lethal form.

经研究未发现迹象说明病毒已突变为更具毒性或更致命的形式。

We were expecting, and fearing, that the highly lethal H5N1 avian virus would spark the next pandemic.

我们预期，也担心高度致死性H5N1禽流感病毒将触发下一次大流行。

There is good reason to suspect the virus will become less lethal as it spreads.

我们有充分理由猜测，病毒在传播的过程中，其致命毒力逐渐减弱。

It will be a virus lethal to humans. An airborne hemorrhagic fever.

新病毒如果传染给人类，将是致命的。

People who became infected with hepatitis c, a potentially lethal liver virus, have been unable to get insurance except at prohibitive cost.

那些得了丙型肝炎的病患，他们所得的就是一种潜在致死性的肝炎病毒，他们除了支付昂贵的费用以外已经没有能力得到保险了。

After a lethal plant virus swept through this field trial in Tha Pra, Thailand, the GM papaya trees on the right stood hearty, while the conventional trees on the left fell sickly and fruitless.

在一种致命的植物病毒横扫过泰国的Tha Pra后，照片右边的转基因番木瓜树仍然茁壮健康，而左面的传统树种则病病恹恹、果实更是稀少。

"This proves the concept that GM-SCF, only in the lung, is sufficient to provide complete protection against infection with otherwise lethal doses of influenza virus strains," said Dr. Shams.

“证明这个概念，GM - SCF，只是在肺，对致死剂量流感病毒感染足以提供完全保护，”Shams博士说。

At the same time, Dutch company Crucell reported that a similar antibody protects mice from both H5N1 bird flu and the 1918 H1N1 pandemic virus - two lethal, and very different, strains.

同时，荷兰公司Crucell报道，类似的抗体可以保护小鼠同时免受两种致命且大大不同的H5N1禽流感及1918流感大流行病毒的感染。

Officials also want to keep a close eye out for possible mutations that might make the virus more lethal.

官员们还将密切关注可能出现的变异，它也许会让这种病毒更具致死性。

When scientists infected the modified birds with lethal doses of H5N1, the virus latched onto the decoy form of polymerase.

当科学家给改造过的鸡注射致命量的H5N1病毒后，病毒会依附在假聚合酶上。

Had the virus turned more lethal, we would be under scrutiny for having failed to protect large Numbers of people.

这个病毒一旦变得更具杀伤力，我们则会因不能为大量人员带来保护而接受细察。

Cambodian health officials say a 19-year-old man has been diagnosed with the lethal strain of the bird flu virus.

柬埔寨卫生官员说，一名19岁的男子被确诊患致命禽流感病毒。

There is a new flu virus going around. It initially looked quite lethal, and caused panic.

有种新型流感病毒出现了，一开始人们以为它是致命的，并引起了恐慌。

The reporter said the public is confused because the world is in phase 5 with a "mild" virus, in the context of pandemic preparations triggered by the often-lethal H5N1 avian flu virus.

那位记者说，公众现在都非常困惑，因为一个“温和”的病毒，现在全世界把警戒等级拉升到了5级的状态，而这种应对流感的准备是为应付致命的H5N1禽流感病毒而建立的。

Most of those mutations are dead ends, but, given enough chances, the virus can become more infectious or more lethal.

这些变异绝大多数都没有任何结局，但如果变异的次数足够，病毒可能变得更具传染性或更致命。

Are physicians morally obligated to treat patients with such lethal new diseases as AIDS or the Ebola virus?

医生对治疗致命的新疾病如aids或者Ebola病毒负有道德责任吗？