MSNBC All In With Chris Hayes August 19, 2021 00:55:00
Homes, one a broader survey and a paper from mayo clinic last week that is looking at all the breakthroughs so you can get a pretty good snapshot. what you see is basically the protection against mild illness is starting to go down a bit. that kind of predicts that over time the protection against more severe illness might also start to wane. that's what we're trying to do here is get ahead of that. think of this as you're running a race. we've been doing that with this virus chasing after us. the vaccines came along, we had a chance to get well ahead. but then the delta variant came along and...
Source: archive.org