An emerging body of research shows that positive health habits as well as negative ones spread through networks of friends via social communication.

一个新兴的研究机构表明，积极的健康习惯和消极的健康习惯都通过社交在朋友圈中传播。

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After all, negative emotions can spread, and no one wants to be around a person who adds negativity to a group.

毕竟，负面情绪是可以传播的，而且，没有人会愿意与一个充满负面情绪的人相处或者是让负面情绪的人入伍。

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One "bad apple" can spread negative behaviour like a virus to bring down officemates or destroy a good team, according to a new study examining conflict in the workplace.

一项针对办公室矛盾的调查显示，某个人的坏行为能像病毒一样传播感染，最终带坏同事或者破坏一个好团队。

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Businesses compete intensely for talent and customers, and positive and negative sentiment spread faster than ever before.

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Negative views spread just as quickly as positive ones, so if a product has flaws, people will soon find out.

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The negative buzz spread.

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