1. Patients infected with SARS-CoV-2 admitted in the hospital for more than one day and on routine treatment for COVID-19. <br/ > <br/ >2. Any patient who has severe illness debilitating the patient to provide consent as well as adopt the study procedure. <br/ > <br/ >3. Patients less than 18 years of age at the time of enrollment. <br/ > <br/ >4. Patients already using oral/intra-nasal antiseptic. <br/ > <br/ >5. Any patient with known thyroid disorders. <br/ > <br/ >6. Pregnant and lactating women. <br/ > <br/ >7. Patients who disagree to consent. <br/ >

1. Patients infected with SARS-CoV-2 admitted in the hospital for more than one day and on routine treatment for COVID-19. <br/ > <br/ >2. Any patient who has severe illness debilitating the patient to provide consent as well as adopt the study procedure. <br/ > <br/ >3. Patients less than 18 years of age at the time of enrollment. <br/ > <br/ >4. Patients already using oral/intra-nasal antiseptic. <br/ > <br/ >5. Any patient with known thyroid disorders. <br/ > <br/ >6. Pregnant and lactating women. <br/ > <br/ >7. Patients who disagree to consent. <br/ >

N/A

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1. Patients infected with SARS-CoV-2 admitted in the hospital for more than one day and on routine treatment for COVID-19. <br/ > <br/ >2. Any patient who has severe illness debilitating the patient to provide consent as well as adopt the study procedure. <br/ > <br/ >3. Patients less than 18 years of age at the time of enrollment. <br/ > <br/ >4. Patients already using oral/intra-nasal antiseptic. <br/ > <br/ >5. Any patient with known thyroid disorders. <br/ > <br/ >6. Pregnant and lactating women. <br/ > <br/ >7. Patients who disagree to consent. <br/ >

1. Patients infected with SARS-CoV-2 admitted in the hospital for more than one day and on routine treatment for COVID-19. <br/ > <br/ >2. Any patient who has severe illness debilitating the patient to provide consent as well as adopt the study procedure. <br/ > <br/ >3. Patients less than 18 years of age at the time of enrollment. <br/ > <br/ >4. Patients already using oral/intra-nasal antiseptic. <br/ > <br/ >5. Any patient with known thyroid disorders. <br/ > <br/ >6. Pregnant and lactating women. <br/ > <br/ >7. Patients who disagree to consent. <br/ >