And yet some blood samples from the red cross blood donor program in the US, from as early as December 13, tested positive for exposure to Coronavirus. https:/

And yet some blood samples from the red cross blood donor program in the US, from as early as December 13, tested positive for exposure to Coronavirus. https://www.npr.org/sections/coronavirus-live-updates/2020/12/01/940395651/coronavirus-was-in-u-s-weeks-earlier-than-previously-known-study-says?t=1616601179159 https://www.npr.org/sections/coronavirus-live-updates/2020/1...