然而，麻疹流行爆发一直在发生，甚至在多数人已经接种的一些国家发生。
However, measles outbreaks still happen, even in countries where most people have been vaccinated.
爆发于2009年的甲型HINI流行性疾病至少在一点上是唯一的。
The pandemic that began in 2009 is unique in at least one regard.
一种新的流行病在这个地区爆发了。
流行歌星一上台，就爆发出一阵雷鸣般的掌声。
Stormy applause broke forth the moment the pop star appeared on the stage.
南美爆发了一场严重的流行病，成千上万的人生命垂危。
A serious epidemic has broken out in South America and thousands of people are dying.
从那时开始，霍乱大流行总共爆发过8次。
Since then, there have been a total of eight cholera pandemics.
流感大流行将要爆发的最重要的警告信号是什么？
What are the most important warning signals that a pandemic is about to start?
他们使用他们的设备来研究这种流行病爆发的原因。
They use their devices to research the possible cause of this outbreak.
他们使用他们的设备来研究这种流行病爆发的原因。
They use their devices to research the possible cause of this outbreak.
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