Ask DerrickTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video10/27/2020October 27, 2020Our science correspondent Derrick Williams has been busy looking into your questions about the pandemic. Today viewer Li Jing asks: What are the risks of the "Focused Protection Approach" laid out in the Great Barrington Declaration?https://p.dw.com/p/3kVRcAdvertisement