At least there is some good news concerning Omicron and the immunity it provides. Research is indicating a healthy T-cell response to the Delta variant after infection with Omicron. I wish I knew how to imbed this video as more would watch, I think. However, Captain Analog strikes again. Campbell is as straightforward and unbiased as I can find on the issue. I like his overhead camera too. Ha! The guy was (is) clearly an educator.
https://www.youtube.com/watch?v=8EDBJBmlvXY
And as we all know, Omicron is much more infectious but much less virulent. Who'd have thunk it!