Because it's passed by-- can be passed by an oral route it's a disease that's very effectively transmitted in school settings where children are together, or childcare settings.

因为脊髓灰质炎病毒可以,经口传染途径进行传播,因此它是一种,极易在学校传播的疾病,在这些地方孩子们都聚集在一起

耶鲁公开课 - 生物医学工程探索课程节选

Particularly, if we took advantage of the fact that this is a virus that's easily transmitted orally and could you make a vaccine that would be effective orally as well, that would be a tremendous advantage, especially in children who don't like to get shots.

尤其是,如果我们可以利用这种病毒,很容易经口传播这一事实,制造出一种,可以通过口服而起到同样效果的疫苗,那么这将是一个巨大的飞跃,特别是对于那些不喜欢打针的孩子

耶鲁公开课 - 生物医学工程探索课程节选