Most people won't know which variant they have as most people aren't told. Only some labs do the sequencing to identify the variant.
Chances are people will have omicron at present as it's the one most in circulation, but afaik delta is still around, not sure about the others.
I know 3 people who have tested positive in the last 2 weeks.
1 - triple jabbed male in 40s, - had what felt like a heavy cold for a few days then fine, appears to have no ongoing issues; discovered due to feeling rough and also does twice weekly testing for work
2 - double jabbed (booster due in jan) female, 20y - no real symptoms, discovered through testing due to seeing vulnerable family
3 - triple jabbed female, early 40s - sore throat, thought she had tonsillitis; discovered via daily testing as close contact with positive case, LFT was positive 3/4 days after 'tonsillitis type symptoms' started
None have been very unwell in the sense they've been able to manage at home without doctor intervention. So all classed as mild.