令人关切的原因是因为我们进入冬季流感高峰期。
"It is of concern because as we go into winter that is when we see our peak of flu," Rawlinson said.
南半球许多国家正处于冬季流感季节，因而将重点特别放在了南半球的流行病学现状方面。
Particular emphasis was placed on the epidemiological situation in the southern hemisphere, where many countries are experiencing their winter influenza season.
即便如此，住院和猪流感死亡的年轻人人数远远超过同年龄组其他常见冬季流感的人数。
Even so, the number of hospitalizations and deaths of younger people from swine flu far exceed what normally occurs in the same ages from the winter flu.
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。
Resistance in the H1N1 winter flu bug, a close relative of swine flu, emerged in as little as a year.
流感通常发生在冬季。
在温带地区的秋季和冬季期间，每年发生流感流行。
Influenza epidemics occur yearly during autumn and winter in temperate regions.
我们需要非常认真地观察H1N1的行为，看它在遭遇南半球冬季传播的其它流感病毒时将会如何。
We need to watch the behaviour of H1N1 very carefully as it encounters other influenza viruses circulating during the winter season in the Southern Hemisphere.
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。
In 1976, a late winter outbreak of swine flu at a military base in the USA led to fears of a devastating pandemic.
对该城冬季运动来说，极为不幸的是猪流感预计将在冰雪融化之时才会销声匿迹。
Unluckily for the town's winter sports, swine flu is expected to die down only when the snow melts.
卫生专家说，它的迅速传播正值南半球冬季传统的流感季节。
Health experts say its rapid transmission coincides with the southern hemisphere's traditional winter flu season.
如果他的假设正确，则在1918年冬天爆发的第二波流感变得更加致命的原因很可能不是因为病毒的演变而是因为细菌感染在冬季更加常见。
If he's right, it is possible the second, winter wave of 1918 flu was more deadly not because of viral evolution but because bacterial infections are more common in winter.
时值南美洲南锥体的冬季，所以猪流感肆虐也便不足为奇，但其造成的影响却不尽相同。
It is winter in south America's southern cone, so it is no surprise that swine flu is rampant. But its impact is not uniform.
在流感的常规流行季节冬季，老年人和那些患有慢性疾病的人被送往医院的最多。
During the regular winter flu season, elderly people and those with chronic health conditions are the most likely to be sent to a hospital.
此一冬季使流感病毒有机会混合，并有可能以难以预测的方式交换其遗传物质。
The current winter season gives influenza viruses an opportunity to inter-mingle and possibly exchange their genetic material in unpredictable ways.
因而，就算流感在北半球冬季结束时得以减弱，它也不过只是转移到了南半球(那里正进入冬季)。
Hence, even when flu subsides at the end of the northern hemisphere's winter, the disease merely shifts to the southern hemisphere (which is now entering its winter).
流感调查是第一项号召全欧洲人在整个冬季上报感冒或疑似流感症状的计划。
The flu Survey is the first such project to ask people across Europe to sign up and report cold - or flu-like symptoms over the winter.
在南半球，那里处于冬季，猪流感显然取代了通常季节流感。
In the southern hemisphere, where it is winter, swine flu apparently replaces the usual seasonal flu.
但事实上，目前传播的猪流感并不致命，相反普通流感在冬季的爆发则可能导致成千上万的老年人和体质虚弱的人的死亡。
The swine flu at the moment appears to cause a mild illness, whereas the flu strains that arrive in the winter can kill thousands of elderly and vulnerable people.
我们在一年中的任何时节都会患感冒或者流感，只是在我们与其他人更加亲近(又称为细菌承载体)而且是温暖、干燥的冬季里，这种疾病更加流行。
You can catch a cold or the flu at any time of year, but it's more prevalent in winter, when we spend more time in close proximity with other people (A.K.A. germ-bearers!) and in warmer, drier air.
目前，尽管已探测到了通常在冬季才达到顶峰的季节流感，但90%正在传播的流感是H1N 1流感。
Right now, about 90 percent of the circulating flu is H1N1, although seasonal flu, which typically peaks in winter, has also been detected.
目前，赛诺菲正在生产最新的季节性流感疫苗——针对科学家认为在秋冬季节将会引起流感的病毒的疫苗。
For now, Sanofi is continuing to crank out the latest seasonal-flu vaccine, targeting the strains that scientists think are likely to pose the greatest risk during flu season next fall and winter.
很多专家认为猪流感传播在2009年夏末放缓，而在秋冬季传播更迅速。
Many experts think the spread of swine flu will slow down during the late summer of 2009, but spread more quickly again in the autumn and winter.
医学专家认识到人们是在冬季的月份里染上流感已经有一段时间了。但直到最近他们也不知道为什么。
Medical experts have recognized for some time that people become infected with influenza during the winter months. But they did not really know why until recently.
冬季心脏病发作风险倾向于增加，就像流感，这提示这两种情况之间的联系。
Heart attack risk tends to rise in the winter months, just like the flu, suggesting a link between the two conditions.
中国将成为第一个大规模生产抗击甲型h1n 1流感病毒疫苗的国家。专家警告甲流感将于今年秋冬季大规模爆发。
China is set to be the first country to mass-produce a vaccine against the a (H1N1) flu pandemic, which scientists warn might erupt this fall and winter.
中国将成为第一个大规模生产抗击甲型h1n 1流感病毒疫苗的国家。专家警告甲流感将于今年秋冬季大规模爆发。
China is set to be the first country to mass-produce a vaccine against the a (H1N1) flu pandemic, which scientists warn might erupt this fall and winter.
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