This method, known as "prime-boost", has been tested on more than 16,000 volunteers in Thailand.

这个方法即所谓的“刺激增强”，已在泰国的16000多名志愿者身上试验过。

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The scientists measured how well the prime-boost vaccine protected mice and ferrets against deadly levels of flu virus.

科学家在测定引入辅助免疫药剂在保护老鼠和雪貂对抗致命的流感病毒方面如何有效。

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To get at these non-mutating parts of the virus, Nabel and his colleagues used a two-step vaccination process, called "prime-boost."

为了在病毒中分离这种“非变异”成分，内伯尔和他的同事们使用一个两步接种过程。

youdao

To get at these non-mutating parts of the virus, Nabel and his colleagues used a two-step vaccination process, called "prime-boost."

VOA: standard.2010.07.21

Mr Kerry, on an unannounced trip to Iraq, held talks with Prime Minister Nouri Maliki in a bid to boost co-operation over the Syria conflict.

BBC: Kerry presses Iraq on Iran weapons flights to Syria

Russian Prime Minister Vladimir Putin called on Wednesday for sweeping tax reforms to boost investment-led growth, while pledging to keep the rouble stable without imposing any capital controls.

FORBES: Putin Pledges Pro-Growth Tax Cuts: Or, Why Today's Russia is Far More Flexible Than the Soviet Union

But Mr Byers - who is also secretary of state for the regions - received a boost in the form of the backing of Deputy Prime Minister John Prescott who predicted his colleague would play a major part in the next stage of the government's plans for devolution into the English regions.

BBC: Sixsmith: Byers 'tore up' agreement