Fig. 3From: Efficacy of povidone-iodine nasal rinse and mouth wash in COVID-19 management: a prospective, randomized pilot clinical trial (povidone-iodine in COVID-19 management)Line graph showing the Wisconsin Upper Respiratory Symptom Survey (WURSS)-11 mean score (Y-axis) and number of days since the first swab (X-axis)Back to article page