Science3 ways to get more people to vaccinateTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScienceConor Dillon | Gabriel Borrud05/07/2021May 7, 2021Will countries actually reach herd immunity? It's an open question. But studies have shown that there are a few "tricks" to get people to immunize — even if they've already decided not to.https://p.dw.com/p/3t7LuAdvertisement