This is very interesting. As a herbalist I was once advised not to use Elderberry once you become infected because Elderberry boosts your immune system and that is not desirable once you have this virus. I am using anti-viral herbs such as Lemon Balm and Pau D’Arco, specific herbs for lungs, Mullein, Aster. I also use a mushroom tincture. So far so good. Keep the faith and stay safe!