I've never heard of this organization, but here's one of the scientists on President Biden's Covid advisory council being interviewed on PBS. https://www.pbs.o

I've never heard of this organization, but here's one of the scientists on President Biden's Covid advisory council being interviewed on PBS. https://www.pbs.org/wnet/amanpour-and-company/video/do-masks-provide-much-protection-we-think-bglhwy/ https://www.pbs.org/wnet/amanpour-and-company/video/do-masks...