新冠肺炎病毒来源于什么？怎么预防？酒精有用吗？
推荐时间: 2020-02-24 01:11:20
—内容仅供参考
病毒来源于蝙蝠体内，在家要勤洗手、保持室内通风，在外要戴好口罩，避免接触。75%酒精可以有效消灭病毒。
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