Thanks to modern medical techniques, and the rapidity of the spread of information within the healthcare networks, doctors have learned how to treat persons with severe symptoms due to the virus that lead to successful recoveries. Giving them that drug to treat a skin disease isn't part of the treatment protocol. If it worked, it would have been rapidly adopted. '
Since it doesn't, you have decided it is due to some kind of planetary conspiracy involving the politicians, the healthcare providers, the pharmaceutical companies.
Nothing new about this when it comes to the cult that thinks the modus operandi of the medical professions is to make us sick, keep us sick, and make trillions in the process.