The difference between covid and other infections, in my opinion, @Godnotthisagain, is how randomly long covid can and does strike. You don’t have to be deathly ill/in ICU to get long covid, nor do you have to have a compromised immune system.
I was fairly healthy when I got covid, and dh, who has MS and therefore is classed as clinically vulnerable got it at the same time. Neither of us felt ill - it was like a nasty cold - but I dropped my oxygen sats and ended up in hospital, and now I have long covid, whereas dh sailed through it unscathed.
I am now disabled by long covid - over 2 years after getting ill - I get breathless going to the loo. I can’t stand for any length of time - having a shower is my limit, for standing - and I have to sit down to clean my teeth. I can’t cook a meal on my own, and even sitting at the table, doing food prep with dh helping, leaves me shaking with fatigue. I sleep late every day, and am still exhausted. I go out once a week, to knitting group, but have to be dropped off and picked up at the door. I haven’t been in a shop since I got covid, apart from 2 visits to Boots, to get an eye test and pick up new glasses.
So many people get long covid - and it wrecks lives - and it bears no relationship to how seriously you have the initial covid infection - that is what is SO scary about it.