MSNBC Katy Tur Reports October 19, 2021 18:47:00
That first of all, we established their safety and that was a key, key finding that we now can feel very comfortable. we know their safety. what were doing now is deciding how to use them. what should be the dosage, and how should we approach that about possible mixing and matching? the public has to stay tuned. were learning basically how to best use these vaccines to be more effective as we go. lets see what the aicp comes up with, but i think well see mixtures of masks occurring. coming up ...
Source: archive.org