I've said it before, I think I had it or something very similar back in December.
I was hungover Boxing Day & aching like hell, just thought it was normal. Next day still aching & feeling rough, just thought a two day hangover. That carried on for a day or two then the dry cough started, was coughing so much my ribs were aching & throat was torn apart. I was a write off over New Year's, I was just lay on the settee feeling terrible. That lasted just after my birthday on 7th January
I remember determining it wasn't flu level but a heavy duty cold, worse than I'd ever had
I know exactly who gave it to me too, some inconsiderate cow in Aldi coughing all over the place. That was the day I broke up from work for Christmas