I have had COVID-19 3 times in the last year and I refused an ambulance the first time. I used a number of herbs which have been outlined in pdf's on the following site which worked well for me. Cordyceps mushroom is perfect for COVID-19 because it addresses many of the problems that it causes with the lungs. It promotes the maturation of lung cells and it also addresses the elevated cytokines which get generated as well as treating the energy problems. https://www.stephenharrodbuhner.com/articles/
He details herbs with antiviral effects against the virus of which some are known to Chinese medicine.
I have idea where the virus actually came from and I have not yet seen anyone else get this correct. I believe the most obvious answer is false and the virus was only taken there for release. It was created elsewhere.