Which is worse...?Watch
But I would say the 1st and 2nd World Wars were more destructive overall and have had more far reaching consequences, which are still very much felt to this day.
As for the Coronavirus, it's impossible to say yet just how destructive it may be. Hopefully it won't be anywhere near as bad as some of the past pandemics.
2 months into ww2 things weren't looking so bad...