A Review of Topical Povidone-iodine to Decrease Viral Load of COViD-19.

Topical povidone-iodine (PVP-I) is currently being considered as a potential preventive measure against the spread of COVID-19. Diluted PVP-I solutions have been historically used in Asia to treat upper respiratory tract infections (URTIs) by decreasing the bacterial and viral load on oropharyngeal mucosa to decrease the transmission of diseases. Efficacy of gargling 0.