That is the conclusion of a new study that looked at how respiratory viruses spread on airplanes.

这是一项探究呼吸道病毒如何在飞机上传播的新研究得出的结论。

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Professor Van Tam said the findings confirmed the need to regularly wash your hands and sneeze into your elbow when on public transport to stem the spread of winter viruses.

凡教授说这些发现更加说明了人们应该习惯性地洗手并在公交车上尽量朝着肘部打喷嚏以阻止冬季病毒的传播。

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But I was working on research involving detection of worms, viruses and the spread thereof.

但我从事的研究涉及到蠕虫的检测，病毒及其传播。

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He says the emphasis should be on common sense preventive measures that cost little, but could go a long way toward preventing the spread of viruses.

VOA: standard.2009.04.28

But I was working on research involving detection of worms, viruses and the spread thereof.

但我从事的研究涉及到蠕虫的检测，病毒及其传播。

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But has he been too quick to write off the potential of Twitter as a way of tracking the spread of viruses?

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Ultimately, the technology could go either way, acting as an effective method of cross-checking people across a vast security network as they move from country to country, or evolving into an omnipresent grid of surveillance that will spread viruses and confine us all to our homes lest we feel the wrath of cyber criminals or high-tech fascists.

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"Since direct contact is one of the ways flu viruses spread, we have decided to forgo the traditional congratulatory handshake as you come forward to receive your diploma and have your photo taken with your dean, " the school told students in a letter posted on its Web site.

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