Study of SARS-CoV2 burden in whole mouth fluid and respiratory droplets with povidone iodine, hydrogen peroxide, and chlorhexidine mouthwashes in 36 hospitalized COVID-19 patients using PCR and rapid antigen testing. There were significant reductions in SARS-CoV2 burden with all treatments in both respiratory droplets and whole mouth fluid.
Jayaraman et al., 3/1/2021, prospective, India, South Asia, preprint, 12 authors.