MRSA is much much worse then Corona, kills a far greater % of the infected. 20,000 people died from it in 2018, out of 119,000 hospitalizations. This puts Coronavirus in perspective. MRSA has been around for over 50 years. 5 years from now we'll have forgotten about Corona. MRSA will still be killing thousands of people every year.
Certain bacteria and fungus, boytritis for example, are resistant to cannabinoids. Actually consume and metabolize them, including THC. The battle between life and death, poison and antidote, is eternal. A thousand years from now the bacteria will be so strong and resistant that penicillin will become the new thing, all over again.