Ключевые слова: alert, allergy, antibiotics, background, banner, biohazard, care, caution, contamination, dangerous, disease, disposable, epidemic, epidemic outbreak, equipment, face, face mask, flu, headache, illness, infection, influenza, isolated, mask, medical, merscov, ncov, outbreak, pollution, poster, protection, protective, quarantine, risk, sick, surgical, syndrome, text, virus, wearing,