冠状病毒在症状出现前具有传染性

2020.01.27 uhan Contagious before symptoms: Human can spread the virus before symptoms show, China’s health minister said Sunday, complicating efforts to contain the outbreak.

武汉冠状病毒在症状出现之前具有传染性：中国卫生部长周日表示，人类可以在症状显现之前传播病毒，这使得遏制疫情的努力更加复杂。