I had Covid in November last year. Not too bad in hindsight, but freaky at the time.
I completely lost my sense of taste and smell for over a week, then they came back gradually.
However, over the past month or so, I've noticed a lot of things taste... strange. The tastes are still there, but a lot of items have an almost synthetic, petrol-ly tang.
I can't work out if my senses had just been dulled for a while and I didn't notice (being so glad to have them back in some shape or form) or if this is some type of regression 
Just wondering if it's happened to anyone else.