My stomach seized up like a clenched fist, and nausea rolled into me like a fever.

我的胃像捏紧的拳头一样痉挛，恶心像发烧一样涌上心头。

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Is silence like a fever?

安静就像发烧么？

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Those five days were increasingly like a fever dream.

这5天越来越像是一个令人狂热的梦。

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Listeriosis is preceded by flu-like symptoms including a fever, according to the FDA website.

CNN: STORY HIGHLIGHTS

The problem is that not everyone uses social media - it tends to be concentrated in major cities - and there is no guarantee people laid up in bed with a high fever will feel like broadcasting their symptoms to the world unless they are caught up in a media panic like the one around the H1N1 virus.

BBC: Can crowdsourcing beat the flu?

While shopping, she came down with a fever and started feeling like she didn't have the strength to stand, she said.

CNN: University of Kansas students isolated by the flu