I have also heard great things about nebulizing colloidal silver and food grade hydrogen peroxide and saline to kill the virus in the respiratory tract.

https://deeprootsathome.com/dr-mercola-nebulized-peroxide-the-single-most-effective-early-strategy/

deeprootsathome.com

Dr. Mercola: Nebulized Peroxide, the Single Most Effective Early Strategy

Dr. Mercola encourages a not-so-well-known strategy everyone should remember if there is a sudden onset of acute respiratory infection.