Ключевые слова: allergy, bacteria, blue, breathing, care, checks, cleanliness, close up, colors, contamination, coronavirus, cotton, cough, covid, disease, elastic band, examination, filters, germs, gray, green, health, help, helplessness, hospital, hygiene, infection, infectious ward, mask, medical care, medical practice, medicine, pandemic, pink, prevention, protection, protective mask, purple, readiness, reduce risk, risk, safety, sars, table, to cover the face, up close, virus, waiting, welt,