Colostrum From MERS-CoV Seropositive Camels for SARS-CoV-2 Infection - a Placebo-controlled Randomized Trial.

Inclusion Criteria: * Age over 18 years. * Laboratory-proven infection with COVID-19 using PCR or another approved kit * Hospitalized / community setting-at low-moderate clinical risk according to the NEWS-2 scale with a score of 0-10. * Onset of symptoms up to 7 days before inclusion * Can sign informed consent * Willingness and ability to participate in research Exclusion Criteria: * Pregnant women or lactating * Lack of judgment (psychiatric disorder or dementia) * Immunosuppressed - HIV with CD4 below 500, chemotherapy, steroids - more than 5 mg per day, solid organ transplants, bone marrow transplants, active hematological or oncological malignancies, biological therapy * Neutropenia (less than 2000 neutrophils per cubic meter) or thrombocytopenia (platelet count less than 50000 per cubic meter). * Acute or chronic sinusitis. * Nasal polyps or any pathology in the nasal cavity * Cystic fibrosis * Significant disturbance in liver functions (AST/ALT more than 5 times the ULN) * Significant renal dysfunction (GFR lower than 30 ml per minute) * Known allergy to colostrum or cow\'s milk * Use of another study drug