COVID-19 Outbreak Information Updates (Reboot) [over 150.000,000 US cases (est.), 6,422,520 US hospitilizations, 1,148,691 US deaths.]

I had Covid Thursday - Tuesday. My wife has it now.

This was my 2nd time having covid. My first time was mid December.
December was worse. Neither was fun.

Any guesses on what variants these were? No telling? Does it even matter? Am I more or less at risk having had it twice? Do vaccines or boosters even do anything for me at this point?