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Due to a transcription error, an earlier version of this story said Thompson studies coxsackievirus.

The coxsackievirus test would take a while, but the doctor assured her that it was the most likely diagnosis.

That’s the question Viralytics has set out to answer with its specially formulated version of coxsackievirus, better known as the cold virus.

But they cautioned that there was no evidence the vaccine would cross-protect against another virus called coxsackievirus A 16, which is often found circulating with EV71 and also causes hand foot and mouth disease.

Epidemic   disease caused by a coxsackievirus, causing pain in the lower chest and   fever, headache, and malaise.