病毒外溢用英语怎么说

病毒外溢（virus outbreak）是指一种病毒在人群中的传播速度加快，导致大量感染和死亡。病毒外溢可能由自然传播或人为传播引起。

例句：

The coronavirus outbreak has caused widespread panic and disrupted daily life. (新冠病毒外溢导致了广泛的恐慌，并扰乱了日常生活。)
The flu outbreak caused schools to close and hospitals to become overcrowded. (流感外溢导致学校关闭，医院人满为患。)
The Ebola outbreak in West Africa was the largest in history. (西非的埃博拉病毒外溢是史上规模最大的一次。)