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。

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Some studies suggest the nasal mist is more effective than the traditional flu shot.

某些研究表明，鼻喷雾剂比传统的流感注射剂更有效。

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The meditators also showed a healthier immune response to the flu shot, suggesting that the training affected the body's health as well as the mind's.

冥想的人还 对流感的侵袭表现了更好的免疫力，这表明冥想训练不仅影响人们的精神健康，还会影响人们的身体健康。

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Last year's flu-shot shortage was scary enough, but now scientists see the specter of a bona fide pandemic if the bird-flu strain known has H5N1 were to mutate into an infection that could spread to people.

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In addition, less than half of school-age children -- the population mainly responsible for spreading the flu virus -- got the flu shot, experts said.

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But if it does, all 6.4 billion people on the planet would need a flu shot--many times the current capacity of about 300 million doses annually.

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