Looks like the Brit variant is coming to get us hard. Projections that it will become the predominant bug in this country, with its more infectious and therefore deadly state, by March.
With all that light at the end of this long tunnel shining us in the face we are seeing that tunnel get longer and longer. We'll not be done with this for quite some time.
In this society a USA variant is probably already here ... and there ... and over there. Besides, biologically, given this virus's proven proclivities, world-wide strains will be popping up for decades. This may end up being mixed into the annual vaccine schedules.