ScienceVariants, anti-virals & fake vaccinesTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScienceGabriel Borrud | Conor Dillon01/12/2021January 12, 2021We are told that contagious mutations of Sars-CoV-2 have ushered in a new phase in the pandemic. How important are anti-viral therapies now that the vaccines are out? And — when is the right time to close schools during a pandemic?https://p.dw.com/p/3npKnAdvertisement