此外，八份观察研究中的四份表明个人注射流感疫苗对防止心脏病或心血管事件有效果。
In addition, four out of eight of these observational studies indicated there was a protective effect against heart attacks or cardiovascular events in individuals vaccinated against influenza.
2009年11月9日，位于俄罗斯远东的城市符拉迪沃斯托克，医生正在为给当地大学生注射流感疫苗做准备。
A medic prepares to give students of a university an injection of the H1N1 flu vaccine in Russia's far eastern city of Vladivostok on November 9, 2009.
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。
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.
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。
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.
指出，在使通用疫苗发挥效力的同时，我们针对滴鼻剂要在操作时保护鼻子，而不像注射流感疫苗不需要医学专业技能。
Or a universal vaccine to be effective, however, Fiers pointed out that it must be administered nasally because nose drops, unlike flu shots, don't require medical expertise to be administered.
相关研究结果发表在《自然》（Nature）和《科学》（Science）期刊上，将帮助科学家们确定哪一种病毒株应该加入到流感疫苗中。全世界每年有3亿人注射流感疫苗。
The research, published in the journals Nature and Science, will help scientists decide which viral strains should be incorporated in the flu vaccines given to 300m people a year worldwide.
相关研究结果发表在《自然》（Nature）和《科学》（Science）期刊上，将帮助科学家们确定哪一种病毒株应该加入到流感疫苗中。全世界每年有3亿人注射流感疫苗。
The research, published in the journals Nature and Science, will help scientists decide which viral strains should be incorporated in the flu vaccines given to 300m people a year worldwide.
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