Thus, fever would make it more difficult for an infecting bacterium to acquire iron and thus to multiply.

因此，发烧会使感染细菌更难获得铁，从而更难繁殖。

Colds mutate even while they're infecting you, and new strains pop up so often that by the time drug-makers create a vaccine against one variation, the serum is already out of date.

即使在感染你的时候，感冒病毒也会发生变异，而且新的病毒毒株经常出现，以至于当制药商研制出针对其中一种变异的疫苗时，血清已经过时了。

This one seems to be infecting more young people.

而这次流感的受害者似乎更多的是年轻人。

For the Mugabe pattern is in danger of infecting many parts of Africa.

穆加贝统治模式对非洲其他地区流毒甚广。

False-negatives mean that people take no precautions to prevent infecting others.

假阴性则意味着人们将不会采取任何预防措施防止将疾病传染给他人。

Wolbachia bacteria are widespread parasites, infecting both insects and nematode worms.

沃尔·巴克氏体细菌广泛传播寄生虫，感染昆虫和线虫。

The reason flu keeps infecting us again and again is that the virus is constantly changing.

流感能够反复感染我们的原因在于病毒的不断变化。

By the end of 2007, the weakness of the American housing market was infecting sales of cars.

2007年底，美国房地产市场的疲软影响了汽车的销售。

Even before swine flu emerged, sick Japanese donned surgical masks to avoid infecting others.

即使在猪流感爆发前，患病的日本人戴上外科手术口罩来避免传染其他人。

By Monday, the flu had spread to a wider group of teenagers, and was also infecting older Japanese.

在周一的时候，流感蔓延到了青少年这个广大的群体，而且还感染了年长的日本人。

Of the emerging pathogens capable of infecting humans, around 75% originated as diseases of animals.

在有能力感染人类的新出现的病原体中，大约75%来自动物身上的疾病。

The researchers conjecture that aphids might have pilfered the genes from a fungus that was infecting them.

研究者推测可能是由于能够生产类胡萝卜素的真菌感染了蚜虫从而使蚜虫获得了这种能力。

In each case, the infecting organism USES the host body to live and grow, and is often restricted to a particular organ.

每一种情况中，感染生物都用寄主的身体来生存和生长，经常集中于一个特定器官。

The sheath prevents horrible things (badlynamed constants, incorrect types, etc.) in their code from infecting your code.

Sheath可以阻止他们代码感染你们代码这种可怕的事发生（像差劲命名常量，错误类型之类）。

Once on someone's hands, they stand a good chance of infecting them, since it is human nature to frequently touch our faces.

人手一旦接触上这些细菌，便有很大机会被感染，因为人手经常会自然地触碰脸面。

A recent study conducted in Rwanda and Uganda showed that HIV positive mothers may breastfeed without infecting their infants.

最近在卢旺达和乌干达进行的研究表明，感染了艾滋病病毒的母亲可以哺乳而不把病毒传染给她们的婴儿。

Rather than culturing a bug to identify what is infecting a patient, for instance, a hospital might determine its DNA sequence.

而不是培养一个错误，以确定是什么感染的病人，例如，医院可能会决定其DNA序列。

Scientists are investigating, on a molecular level, how the virus might mutate to become capable of infecting people more easily.

科学家们这正在研究禽流感病毒变得更容易使人感染的分子机理。

He wonders exactly how the RNA viruses are infecting cells without harming them, allowing them to become a part of an animal's DNA.

他想要确切的知道RNA病毒是如何在不伤害细胞的情况下感染细胞的，并且能使他们成为动物基因中的一部分。

In that way, "mixing is possible, resulting in a new type of virus, like the virus that is currently infecting people," Erickson said.

就样一来，“混合是可能的，结果就产生一种新的病毒，就像眼前传染人类的病毒一样。”埃里克森说。