effective vaccines翻译

effective vaccines的基本解释

读音: 美: 英:

有效疫苗：指能够预防或减轻疾病的疫苗，经过科学实验和临床试验证明具有较高的保护效果。

例句

The European Medicines Agency, like its U.S. counterpart the Food and Drug Administration, has the task of ensuring any new vaccines are both safe and effective.欧洲医药局，类似于美国的食品药品管理局，它具有保证所有新开发的疫苗安全且有效的职能。
Spokesmen for Merck and Glaxo say all indications are that their vaccines are safe and effective, and there is no evidence that a booster shot will be needed.默克和葛兰素的发言人说所有证据表明疫苗是安全有效的。 没有证据表明需要再加强注射一针。
Influenza viruses constantly undergo genetic changes and require vaccines that match the circulating influenza strains to be effective, so seasonal influenza vaccines have to be modified annually.流感病毒不断发生基因变化并需要符合正在传播的流感毒株的疫苗以便产生作用，所以每年必须调整季节性流感疫苗。
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