The overriding priority is to urgently stop the WPV3 outbreak, while maintaining high population immunity across west Africa to WPV1.

目前的重中之重就是在西非的野生1型脊灰病毒人群免疫仍维持在较高水平时，紧急阻止野生3型脊灰病毒的暴发流行。

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Examples range from contamination of the food or water supply, to high levels of air or noise pollution, a chemical accident, a disease outbreak or a natural disaster.

这方面例子的范围包括从食物或水供应的污染，到空气或噪音高度污染、化学事故、疾病暴发或自然灾害。

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I expect China to again allow a gradual appreciation of the yuan, and I believe it will again prevent an outbreak of high inflation, without seriously impairing China 's export sector.

我期望中国再次允许人民币逐步升值，而且我相信中国会在不重创其出口部门的情况下再次阻止高通胀的爆发。

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In an outbreak of moral high-horsing that has (thankfully) now been purged out of me, I decided that tech stocks were overpriced and needed to fall further.

FORBES: Investing Lessons: Avoiding the Peter Lynch Bias

Some people with herpes take antiviral drugs for years, while others just use them periodically -- for example, when they're starting a new relationship or anticipating a high-pressure situation. (Stress can up the risk of a herpes outbreak.) "It really is a very personal decision for patients, " Johnston says.

CNN: Symptom-free herpes contagious 10% of the time