No doubt. I’ve head Influenza B strains haven’t been around for quiet a few years, and young kids, even if inoculated in the last few years, don’t have this resistance to this strain. That’s why kids especially, need a flu shot this year.
I got H1N1 when it was a thing.
Never Been so sick in my life. Lost 30 pounds in 8 days (I think because of the high fever). My health changed
Funny thing is I used to always get the flu shot, and did that year.