Peter, if you had flu you would certainly not be well enough to post on here. You would be in bed and everything would ache including your skin, maybe even you hair. I’ve only had it once, in the 80’s and it was awful.
The vaccine that many of us had in the last few months does not vaccinate again the current Australian and French strains currently circulating, they guessed wrong this time. Take care everyone, the Australian one can be a killer.