Ключевые слова: adult, blue, care, check, clinic, concept, contamination, control, creative, design, diagnosis, diagnostic, disease, epidemic, epidemiology, flat, flu, graphic, hospital, icon, idea, illness, immunity, infection, lab, laboratory, line, medicine, nasal, omicron, pcr, people, pictogram, prevention, protection, red, respiratory, result, sample, sick, test, throat, treatment, vaccination, virus, website,