That is a matter only of use for the health authorities who are doing disease surveillance.
All that matters for you is that you get a chest HRCT scan to assess whether you need hospitalisation. If not, whatever the strain, you just need to quarantine yourself at home for a week.
Next Steps
Covid hits you hard only if you are unvaccinated. For the vaccinated, Omicron is just another Flu episode. The quarantining is just to preventing you from transmitting it to others, especially the unvaccinated children, who are most at risk! So just get that jab as soon as possible.