手足口疾病通常开始轻微发烧，嘴上起水泡或口腔溃疡，很快就会染到手和脚，带有EV71肠病毒的孩子表现出严重的症状。

HFMD usually starts with a slight fever followed by blisters and ulcers in the mouth and rashes on the hands and feet. Those with EV71 often show serious symptoms.

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专家说，捧腹大笑有助治疗脚部溃疡。

A good old belly laugh can help heal leg ulcers, experts say.

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