Now utopia has grown unfashionable, as we have gained a deeper appreciation of the range of threats facing us, from asteroid strike to epidemic flu and to climate change.
现如今，这种乌托邦空想已经过时了，我们对所面临的威胁有了更深刻的认识，从彗星撞击到流行感冒，再到气候变化。
Dog flu a dog flu virus is going around the us and has now been found in 30 states.
一种狗流感正在美国悄然蔓延，目前已有30个州发现了这种病毒。
Playing it, I've certainly gained a little knowledge about the flu and a lot of empathy for the WHO.
通过玩这个游戏，我获得了一点流感知识，并且对世界卫生组织有了更多感情。
In 1976, a late winter outbreak of swine flu at a military base in the USA led to fears of a devastating pandemic.
1976年冬季末，在美国一军事基地暴发的猪流感引起人们对一场毁灭性大流行病的恐惧。
Scientists suspect that some gene combinations may result in a particularly potent form of flu and ignite a pandemic in humans.
科学家推测某些基因组合可能导致一种威力超强的流感，在人类中大范围流行。
A flu epidemic raged through Europe.
流感在整个欧洲肆虐。
A flu epidemic is sweeping through Moscow.
一场流感正在莫斯科迅速传播。
Tiredness and fever are much more likely to be a sign of the flu coming on.
疲倦和发烧很有可能是流感开始的征兆。
If you have a cold or flu, you'd better not pass it on to anyone else.
如果你得了感冒或流感，最好不要把它传染给别人。
In some countries, people who get flu outside of work hours need a doctor's certificate.
在一些国家，人们非工作时间得流感需要医生的证明。
Scratchy throats, stuffy noses and body aches all spell misery, but being able to tell if the cause is a cold or flu may make a difference in how long the misery lasts.
喉咙发痒、鼻塞和身体疼痛都会带来痛苦，但若能分辨出是感冒还是流感导致的，就可能改变痛苦持续的时间。
If you've got a new development in medicine, for example, bird flu, then you'll get a new word coming out of that.
如果你在医学上有了新的发展，比如禽流感，你就会从中得到一个新词。
Children and teens with a cold or flu should not take aspirin for pain relief because of the risk of Reye syndrome, a rare but serious condition of the liver and central nervous system.
患有感冒或流感的儿童和青少年不应该服用阿司匹林来缓解疼痛，因为这会有雷氏综合症的风险，雷氏综合症是一种罕见但严重的肝脏和中枢神经系统疾病。
Instead of injecting proteins from a flu virus into a person's body, why not inject just the micro-organism's genes?
相对向人体中注射从流感病毒中提取的蛋白质而言，为什么我们不直接注射微生物基因呢？
The timing and severity of a flu pandemic is uncertain, but experts predict a pandemic will occur.
流感大流行发生的时间和严重程度难以确定，但是专家们预测大流行将会发生。
They could not recall seeing such a nasty case of the flu, particularly in a child so young.
他们从来没有见过这样可怕的流感病例，尤其是发生在这么年幼的孩子身上。
Virologists have determined that the mutating flu is a combination of several older flu strains, commonly associated with pigs.
病毒学家已经测定，正在变异的流感病毒是几种通常与猪有关的老流感病毒的结合体。
There was a major flu outbreak, and a Tamiflu-resistant strain of seasonal flu established itself and then spread to the Northern Hemisphere, including to the United States, last winter.
当时出现了严重的流感爆发，抗达菲药物的季节性流感乘机而入，疫情一直扩散到了北半球的冬天，包括美国在内的广大地区。
Resistance in the H1N1 winter flu bug, a close relative of swine flu, emerged in as little as a year.
仅在短短一年的时间里，H1N1冬季流感病毒就出现了耐药性。这种病毒和甲型H1N1病毒关系密切。
Fewer than 1,000 people under the age of 50 die from flu in a normal season, Dr. Frieden said.
弗里登说，在正常的流感季节，美国50岁以下人群因流感死亡的病例不超过1,000例。
These same resources are now being diverted to "await" a flu epidemic.
同样这些医疗资源现在被分拨出去“等候”流感大爆发。
So while the disease does not appear to be more severe than seasonal flu, a disproportionate number of young people will probably get it.
尽管猪流感不比季节性流感严重多少，但青少年受感染的几率仍会很大。
Health secretary Andy Burnham has said warnings issued in the past to deter pregnant women from travelling during outbreaks related to bird flu, a much more severe form of the virus.
卫生部长安迪·伯纳姆(AndyBurnham)已经劝告孕妇不要在更严重的禽流感爆发地区旅游。
Current outbreak: While the world's attention has been focused on Mexico's swine flu, a severe dengue outbreak infected 50,000 people in Bolivia and more than 20,000 in Argentina.
最近疫情大爆发：当世界将焦点转向墨西哥的猪流感时，一场严重的登革热传染感染了玻利维亚的50000人和阿根廷的20000人。
Current outbreak: While the world's attention has been focused on Mexico's swine flu, a severe dengue outbreak infected 50,000 people in Bolivia and more than 20,000 in Argentina.
最近疫情大爆发：当世界将焦点转向墨西哥的猪流感时，一场严重的登革热传染感染了玻利维亚的50000人和阿根廷的20000人。
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