那些有轻微的症状应该呆在家中而不到校上课或工作到48小时后症状就过去了，为了避免疾病传播，纽约卫生官员说。

People who have mild symptoms should stay home from school or work until 48 hours after the symptoms have passed, to avoid spreading disease, New York health officials said.

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在发生国际关注的突发公共卫生事件期间或者由于特殊的公共卫生风险，有可能建议采取影响旅行的措施，以避免疾病的国际传播。

During public health emergencies of international concern or in connection with specific public health risks, measures affecting travel may be recommended to avoid the international spread of disease.

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勤洗手是避免生病和传播疾病的最好方法之一。

Frequent hand washing is one of the best ways to avoid getting sick and spreading illness.

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