Ключевые слова: aseptic, blue, care, certification, clinical, coronavirus, covid19, device, disease, distancing, doctors, epidemic, flu, health, healthcare, hospital, hospitals, hygiene, mandatory masks, mask production, masks, medical aids, medical device, medical instruments, medicine, nurses, obligation, operating, operating room, operation, pandemic, physician, precaution, prevention, prevention tools, prophylaxis, protection, sanitization, selfprotection, sick, spread, sterile, sterilization, surgery, surgical masks, therapy, tissue, trade, virus, virus spread, wards, white,