然后，科学家们将这些物质加入人类细胞培养皿中，发现这些细胞的一氧化氮含量增长了240%，而一氧化氮可以迅速启动人类的免疫系统。
They then applied the substances to a culture of human cells. And the cells experienced a 240 percent increase in the production of nitric oxide, which is known to jump start the immune system.
考虑到为启动有针对性的——权且不提地毯式的——全球级免疫规划所需的努力和资金，单靠哨点抽样是不够的。
Given the amount of effort and funds needed to launch a targeted - let alone a blanket - immunization programme at the global level, sentinel sampling is not enough.
2011年1月22日将启动此次免疫活动，目标人群超过905 000人。
The vaccination campaign will start on 22 January 2011, targeting a population of over 905,000 people.
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