It is not only inflexible students who are at risk.

不灵活并非高风险的单纯原因。

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University students and those with a history of preceding illness were also highly at risk.

大学生和曾有脑膜炎病史的人也是高危险群。

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University students and those with a history of preceding illness were also highly at risk.

大学生和曾有脑膜炎病史的人也是高危险群。

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