CNN Anderson Cooper 360 November 25, 2021 05:32:00
But even the vaccinated, particularly when we know now that people who have been vaccinated several months ago -- although the vaccine is highly, highly effective, that effectiveness wanes over several months, which is the reason why we are strongly encouraging anyone 18 and older who has been vaccinated with the original regimen, that they get a booster shot because the data that were getting is extremely encouraging that the protection that you begin to lose as the months go by is dramatically...
Source: archive.org