Inclusion Criteria:  Outpatients older than 18 years and younger than 80 years. Patients with a medical indication for a diagnostic test for active infection to SARS-CoV-2 Patients who present mild symptoms typical of COVID-19 and who have less than three days of evolution Patients who have cognitive and motor skills to perform mouthwash correctly. Patients who understand and speak Spanish Patients who freely give their consent to participate in the study, after a correct understanding of its objectives and procedures.  Exclusion Criteria:  Patients with hospitalization criteria (moderate or severe symptoms) Vulnerable populations such as pregnant, lactating, Patients with recent medical diagnosis (≤ 1 month) of pneumonia Patients with hyposialia Patients with consumption of oral antiseptics (in the form of mouthwash containing CPC, povidone iodine rinses, alcohol mouthwash and essential oils) and toothpastes with CPC during the last month. Patients with cognitive impairment