Outbreak response activities include surveillance for early case detection, case management, chemoprophylaxis of close contacts and vaccination of the population at high risk.

暴发应对活动包括为及早发现病例进行监测、病例管理、密切接触者的化学预防以及对高危人口进行预防接种。

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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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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