ScienceGlobal issuesThis has a LOT of wow factorTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScienceGlobal issuesConor Dillon | Gabriel Borrud01/27/2023January 27, 2023It’s a seemingly silly phrase — “wow factor.” But it conveys a real human emotion, and a new study shows you can get two doses every day.https://p.dw.com/p/4MkHBAdvertisement