Summary
Among 19 participants, mean time of viral survival was 9.8 days with 0.23% povidone-iodine, 12 days with saline and 12.6 days with no intervention (p=0.046). Cycle-threshold changes and quality-of-life scores did not differ between groups, and the sample is very small.
Key points
- Design: Open-label randomized pilot, three arms.
- Funding: none reported; no competing interests.
- Added from the October 2026 literature sweep, from the abstract; curators to check against the full text.