Behind the Masks, a Mystery: How Often Do the Vaccinated Spread the Virus?

By Apoorva Mandavilli from NYT Health https://ift.tt/3C4I66H The C.D.C.’s new masking advice was based in part on data showing that the virus can thrive in the airways of vaccinated people. The findings are expected on Friday. https://ift.tt/3C4I66H