We also provide forecasts in order to predict where these things will go, which are the areas which are the most likely affected."

VOA: standard.2009.03.23

So a vaccine is designed in order to engage that biology, in order to provide antigens that will stimulate specifically your immune system.

所以疫苗的作用就是参与这个生理活动,提供抗原 来刺激你的免疫系统

耶鲁公开课 - 生物医学工程探索课程节选