Saturday, November 7

epidemic vs. pandemic

epidemic 和 pandemic 都是流行病的意思
• epidemic 指可以感染眾多人的疾病。
• pandemic 感染的人更多,範圍更大,例如全球性的流行病。
(字首 pan 是全部/到處的意思)

新冠肺炎 COVID-19 在武漢蔓延時,是 epidemic;當它蔓延到其它國家時,是 pandemic 。

A disease can be declared an epidemic when it spreads over a wide area and many individuals are taken ill at the same time. If the spread escalates further, an epidemic can become a pandemic, which affects an even wider geographical area.

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