Also see https://www.nature.com/articles/s41598-018-31936-y https://www.nature.com/articles/s41598-018-31936-y These articles suggest saline water might actual

Also see https://www.nature.com/articles/s41598-018-31936-y https://www.nature.com/articles/s41598-018-31936-y These articles suggest saline water might actually be effective against coronaviruses and similar viruses, contrary to what WHO suggests.