The Gargle provides superior protection to PPE and saves health care providers from unnecessary torturous garb. Are layers of masks, face shields, booties, gloves, gowns, bonnets, goggles, blue froo froos, et al, necessary when the virus is lurking at the handy orifice of your mouth? Look at this article from April 2021!
Impressive studies and a long history reiterate the logic of cleansing the mouth, nasal passage and throat. This practice is the first call in preventing and halting installation and transmission of respiratory viral infection. In many countries this has been a traditional practice. If you want data on the use of providone iodine as oro-nasal treatment here it is: