The flu vaccine is typically not recommended for patients with any signs of illness, so that symptoms are not wrongly misdiagnosed as side effects of a flu shot.
通常不建议有任何疾病迹象的病人接种流感疫苗，这样就不会把症状误诊为流感注射剂的副作用。
The studies will test the safety and effectiveness of vaccines developed by drug makers and help determine dosage and whether it can be given with a seasonal flu shot.
研究测试药物制造商开发的疫苗的安全性和效力并有助于决定剂量及它是否能和季节流感疫苗一起使用。
Many in the medical world recommend it for the elderly, but the spread of the flu is done by contact with people. Therefore, everyone should consider getting the flu shot.
医学界众多专家建议老人采用这种措施，但流感是通过与人接触传播的，因此每个人都应该考虑注射流感疫苗。
While nothing beats getting your annual flu shot, what are some other ways to stay healthy this winter?
虽然每年打一次流感预防针是最好的办法，还有什么别的方法能使你在这个冬天保持健康吗？
My New year's resolution does not mean I won't get my annual flu shot or a colonoscopy every 10 years - or eat a balanced diet and get regular exercise.
我下这样的新年决心，并不意味着我放弃每年的流感疫苗接种，或每10年一次的结肠镜检查——或保持均衡的饮食和规律的运动。
The flu shot contains killed flu viruses. It's approved for people older than 6 months, including healthy people and people with chronic medical conditions.
注射流感疫苗含有灭活的流感病毒，批准用于年龄在6个月以上的包括健康和患有慢性疾病的人群使用。
Reaching even that level of protection required 12 times the dose of antigen delivered by a typical flu shot, and required that the treatment be given in two shots several weeks apart.
而且，要达到这一水平的保护作用，还需要一个典型的流感疫苗的抗原剂量的12倍剂量，注射还分两次进行，第二次注射与首次注射间隔好几个星期。
Part of the problem is this year's flu shot has been one of the least effective in a decade, and it may account for why we are seeing the flu reach epidemic levels so early this season.
流感疫情如此严重的部分原因是，今年的流感疫苗注射效果是近十年来最弱的一次。这或许也可以解释今年的流感疫情为什么如此早地就达到流行病级别。
Part of the problem is this year's flu shot has been one of the least effective in a decade, and it may account for why we are seeing the flu reach epidemic levels so early this season.
流感疫情如此严重的部分原因是，今年的流感疫苗注射效果是近十年来最弱的一次。这或许也可以解释今年的流感疫情为什么如此早地就达到流行病级别。
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