Hydrogen peroxide is active against a wide range of microorganism including bacteria, yeast, fungi and spores.10 Commercially available 3 percent hydrogen peroxide is a stable and effective disinfectant when used on inanimate surfaces. It has been used in concentrations from 3 to 6 percent for disinfecting ventilators, fabrics and endoscopes. It is also included on the Environmental Protection Agency’s list of antimicrobial products for use against COVID-19.11