From this there seems little that can be done about it:
www.cedars-sinai.org/newsroom/covid-19-c...acking-antibodies/#:~:text=Prior%20to%20this%20study%2C%20researchers,but%20their%20persistence%20over%20time.
Even asymptomatic or mild cases of Covid can lead to self attacking anti bodies.
As vaccines do not prevent infection, lockdowns can't address the prevailing root problem and masks offer little to no protection, we will need to rely on medical science.
Of course idiots use the above to argue for more controls. The illusion of control is comforting for millions. And has proved deadly for many.