Controversy over possible use of iodine mouthwash in fight against Covid

Helen Rumbelow, writing in The Times, has investigated the possible use of an iodine mouthwash as a way of combatting Covid-19. She interviewed Professor Stephen Challacombe who told her “I have no doubt that this should be used and had it been, it would have saved lives.” But questions have been raised about how significant its use would be.

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