Ключевые слова: antiviral, blue, cold, common cold, cough, electronic, epidemic, equipment, examination, face mask, fever, flu, gauze, grippe, illness, immune, individual, infect, infection, influenza, listen, lung, mask, means, measure, measurement, medical, nasal congestion, nasal sprays, pills, protective, respiratory, runny nose, set, sickness, sneeze, snivel, snuffles, stethoscope, surgical, tablet, temperature, thermometer, tool, treatment, virus,