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。
Health experts say its rapid transmission coincides with the southern hemisphere's traditional winter flu season.
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。
During the regular winter flu season, elderly people and those with chronic health conditions are the most likely to be sent to a hospital.
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。
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.
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。
冬天是流感季。
Flu usually breaks out in winter.
流感通常发生在冬季。
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.
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。
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。
Why the flu strikes hard during the winter but nearly vanishes in the summer has baffled epidemiologists for decades.
为什么流感在冬天爆发，而在夏天却几乎消失不见？这个问题几十年来一直困扰着流行病学家。
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).
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)。
Swine flu's threat is so great that the NHS must avoid only small Numbers of personnel getting immunised, as usually happens with seasonal flu every winter, the letters add.
信函还补充说，猪流感的威胁极大，因此国民保健署必须避免象每年冬天季节性流感时那样，常常只有少数员工接受免疫接种的情况。
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，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。
The delay had one upside for vaccine makers: Companies are only now completing production of the seasonal flu vaccine for next winter in the Northern Hemisphere.
推迟宣布对疫苗制造商有一个好处：北半球的制造商到现在才生产完今冬所需要的季候性流感疫苗。
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.
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。
In the southern hemisphere, where it is winter, swine flu apparently replaces the usual seasonal flu.
在南半球，那里处于冬季，猪流感显然取代了通常季节流感。
All without knowing just what to expect come fall and winter, when the flu typically intensifies.
而所有这些都无法预知到了秋天和冬天形势会怎样，因为那两个季节是流感典型的高发期。
The number of deaths this winter from flu verified by the Health Protection Agency currently is 50, with 45 of these due to swine flu.
英国健康保护机构(the Health Protection Agency)近日证实，这个冬天死于流感的人数为50人，其中有45人死于猪流感。
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.
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。
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。
The flu is a viral disease that tends to appear in the fall or winter each year.
流感是一种通常在每年秋天和冬天发生的病毒性疾病。
Earlier in the winter, she’d played most of a half of basketball with the flu, before fainting on the sideline and getting fluids intravenously.
前一阵子还是冬天的时候，帕蒂正感冒，但她依旧坚持打了大半个半场篮球赛，直到昏倒在球场的边线上，去打吊针。
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.
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。
Fatemi said the swine flu danger was likely to rise as winter sets in over coming weeks.
法特米说，下周就进入冬天了，猪流感的危险可能会加剧。
Swine flu is expected to tighten its grip this winter.
今年冬天猪流感也要闹得更凶了。
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.
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.
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。
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