What would be a medical grade disinfectant that might have therapeutic value?

'In the last twenty or more years chlorine dioxide emerged as a new and popular inorganic disinfectant. It is often referred to as "the ideal biocide” …

how is it possible that contacting or even drinking ClO2 solution is practically harmless for animals and human beings, while the same aqueous solution can be a very effective and a rapid killer for bacteria, fungi, and viruses?'

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3818415/