This explains the “miracle signal” so many researchers have been searching for regarding the health benefits of sun exposure. I won’t spoil it. Oral vitamin D is the worst possible thing for a person who might contract Covid-19. Sun itself is the best medicine imaginable. A thousand years from now, we won’t have drugs better than sunlight.
That hypothesis is ready to test. It’s plain and clear. We’ll Expect 500 to 1 or greater differences in mortality between real and fake high vitamin D status. One kills you. The other saves you. That simple.