The effect of Cinnamase drops on family members of patients with Covid 19

INTERVENTION: Intervention 1: Intervention group: 50 healthy persons in contact with the Covid‐19 patient use one drop of Cinnamase ?oil in each side of their nose twice a day for 7 days. They should not take other complementary ?treatments during the study. The questionnaire is completed on days 0, 7 and 14. Cinnamase drops (License number: 118880/665) is the product of ??"Sanabel Daroo" company. ?This drug is a product derived from the knowledge of Iranian traditional ?medicine, which is scientifically prepared from Nigella sativa L. oil and ?Olea europaea L oil. Intervention 2: Control group: 50 healthy people in contact with Covid‐19 patients, who not taking any other ?complementary treatment during the study. The questionnaire is completed on days 0, 7 and 14. CONDITION: coronavirus disease. ; COVID‐19, virus identified U07.1 PRIMARY OUTCOME: Clinical signs of coronavirus disease. Timepoint: Before starting the study,7,14 days after the start of the study. Method of measurement: Questionnaire. INCLUSION CRITERIA: Definitive diagnosis of Covid 19 for a member of family based on clinical symptoms and positive PCR ?test result.? Signing consent form by volunteers participating in the study Volunteers should not have Covid‐19 symptoms for two weeks prior to the study Volunteers should not participate in other clinical trials Volunteers should not use supplements (containing vitamins, minerals and probiotics) or other ?preventive treatments.?