Inclusion Criteria:  COVID + patients  Over the age of 18 Tested positively a maximum of one week before inclusion Requiring oral care Affiliates or beneficiaries of Social Security • Informed and not opposed to participating in the research  Practitioners  Age under 65 Absence of comorbidity (hypertension, obesity, diabetes) Informed and not opposed to participating in the research  Exclusion Criteria:  COVID + patients  State of health incompatible with oral care. Patient under guardianship / curators Pregnant or breastfeeding patients Pregnant / breastfeeding woman