It's almost over
U.S. could reach herd immunity by late spring
https://www.uab.edu/news/research/item/11866-u-s-could-reach-herd-immunity-by-late-spring
Half annual is definitely worth of D. But you did get some pretty decent LES events. Nothing exceptional though, I'd rare your winter a D as well. You're like me, you want heavy snow rates.