Here is a great presentation that will give you the history of some workable treatments and their suppression (because they were not ‘approved’). It illustrates that the tragedy of the medical mismanagement of Covid has a long history of similar priors with deep roots.
While watching it I realised (again) that the only way out of the morass we find this civilization in is to raise the ethic level of the general population, for only people who can be brainwashed, badgered, bought, bribed or blackmailed can be swayed from the truth. And only truth and honesty will serve.