这种疫苗对流感的免疫效力时间较长。
流感的传染性很高。
这是因为治疗流感的处方药需要在发病后尽快服用。
That's because the prescription drugs available for the flu need to be taken soon after the illness sets in.
美国肺脏协会（ALA）已经发布了对抗感冒和流感的新指南，其重要意义之一是能够快速地将两者区分开来。
The American Lung Association (ALA) has issued new guidelines on combating colds and the flu, and one of the keys is being able to quickly tell the two apart.
另一方面，发烧是所有年龄段的人患流感的典型特征之一。
On the other hand, fever is one of the characteristic features of the flu for all ages.
另一方面，流感的死亡率从2000年的7.4%下降到2014年的4.1%。
On the other hand, the death rate from flu dropped from 7.4 percent in 2000 to 4.1 percent in 2014.
出现类似流感的症状，例如腹泻、恶心、发烧、头晕，虚弱，同时自我感觉很不好。
Flu-like symptoms develop, e.g. diarrhea, nausea, fever, confusion, dizziness, weakness, and generally feeling bad.
两种疾病都无法治愈，但是可以通过流感疫苗预防流感。对于大多数人来说，这是对抗流感的最佳方法。
There is no cure for either illness, but the flu can be prevented by the flu vaccine, which is, for most people, the best way to fight the flu.
由于儿童很少出现流感的严重并发症，因此为儿童广泛接种鼻腔喷雾疫苗不会带来显著的公共卫生效益。
Since children seldom develop serious complications from influenza, no significant public health benefit would result from widespread vaccination of children using the nasal spray.
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。
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.
猪流感的威胁或许会很快消退。
她到附近的诊所去打治流感的针。
所有的参与者都受到了流感的侵袭。
缺硒会带来加重流感的风险。
Low levels of selenium have been linked to increased risk of developing more severe flu.
这就是全球流感的定义。
被感染了猪流感的猪有何症状？
保持健康能够降低流感的风险。
在北半球，我们现正进入季节性流感的高峰期。
In the northern hemisphere we are now entering the peak period for seasonal flu.
并没有发现猪禽流感的病例。
专家说它是不得流感的唯一最好方法。
加强动物和人类流感的早期发现和快速反应系统。
Strengthening early detection and rapid response systems for animal and human influenza.
这提醒我们必须让人们充分了解有关流感的事实。
This reminds us that we must keep people well informed of the facts about flu.
报道表明在邻近地区家禽中禽流感的暴发。
Reports indicate outbreaks of avian influenza in poultry in the vicinity.
而这次流感的受害者似乎更多的是年轻人。
我们正在将这种知识应用于禽流感的预测和预防工作。
We are using that knowledge for predictive and preventive work on avian flu.
更了解新型流感的起源。
A better understanding of how the new strain of influenza arose.
更了解新型流感的起源。
A better understanding of how the new strain of influenza arose.
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