How do vaccines work?To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video11/19/2020November 19, 2020Hopes are high that a vaccine could soon help bring the coronavirus under control. One of the most promising candidates comes from German company BioNtech and its US partner Pfizer. But how does it actually work?https://p.dw.com/p/3lYdaAdvertisement