Something interesting in this video. The table in the video says that convalescent patients (recovered patients without vaccination) have no neutralizing activity on Omicron. That is against Sputnik with 1 and Sinopharm with 3 having it and Pfizer and Moderna having reduced activity.
Does that mean unvaccinated patients recovered from Covid have a higher chance of getting infected with Omicron than people vaccinated with any of the available vaccines.?
I very much doubt so as I believe the human body immune system is very much more complex than relying on just neutralizing antibodies.