Tiny RCT with 5 PVP-I patients, gargling 30 seconds, 3x per day, and 5 control patients (essential oils and tap water were also tested), showing improved viral clearance with PVP-I.
Mohamed et al., 9/9/2020, Randomized Controlled Trial, Malaysia, Europe, preprint, 16 authors.
risk of no virological cure, 85.7% lower, RR 0.14, p = 0.17, treatment 0 of 5 (0.0%), control 3 of 5 (60.0%), day 12.
Effect extraction follows pre-specified rules prioritizing more serious
outcomes. For an individual study the most serious outcome may have a smaller
number of events and lower statistical signficance, however this provides the
strongest evidence for the most serious outcomes when combining the results of