inclusion criteria: 1. positive test for covid-19 2. age 18-79 years 3. willing and able to perform oral gargles and nasal rinses four times daily exclusion criteria 1. requiring mechanical ventilation 2. unable or unwilling to perform oral gargles and nasal rinses four times daily 3. history of chronic upper respiratory tract disease 4. known iodine allergy 5. history of thyroid disease

inclusion criteria: 1. positive test for covid-19 2. age 18-79 years 3. willing and able to perform oral gargles and nasal rinses four times daily exclusion criteria 1. requiring mechanical ventilation 2. unable or unwilling to perform oral gargles and nasal rinses four times daily 3. history of chronic upper respiratory tract disease 4. known iodine allergy 5. history of thyroid disease

inclusion criteria: positive test for covid-19 age 18-79 years willing and able to perform oral gargles and nasal rinses four times daily exclusion criteria requiring mechanical ventilation unable or unwilling to perform oral gargles and nasal rinses four times daily history of chronic upper respiratory tract disease known iodine allergy history of thyroid disease

inclusion criteria: positive test for covid-19 age 18-79 years willing and able to perform oral gargles and nasal rinses four times daily exclusion criteria requiring mechanical ventilation unable or unwilling to perform oral gargles and nasal rinses four times daily history of chronic upper respiratory tract disease known iodine allergy history of thyroid disease

inclusion criteria: 1. positive test for covid-19 2. age 18-79 years 3. willing and able to perform oral gargles and nasal rinses four times daily exclusion criteria 1. requiring mechanical ventilation 2. unable or unwilling to perform oral gargles and nasal rinses four times daily 3. history of chronic upper respiratory tract disease 4. known iodine allergy 5. history of thyroid disease

inclusion criteria: 1. positive test for covid-19 2. age 18-79 years 3. willing and able to perform oral gargles and nasal rinses four times daily exclusion criteria 1. requiring mechanical ventilation 2. unable or unwilling to perform oral gargles and nasal rinses four times daily 3. history of chronic upper respiratory tract disease 4. known iodine allergy 5. history of thyroid disease