Fact Checks/Health & medicine/ReviewThe claimGargling with water, salt water, mouthwash, tea, or water diluted with betadine after going outdoors can help prevent upper respiratory tract infections.RatingFalseReviewed by Vera Files ↗ · May 27, 2021Original fact check ↗Search related fact checks →Use this record in your application ↗Report a correction ↗