Ключевые слова: adult, allergies, allergy, blowing, care, caucasian, cold, couch, face, fever, flu, frowning, grandfather, grippe, handkerchief, healthcare, holding, home, ill, illness, infection, male, man, men, nose, old, pain, person, problem, retired, senior, sick, sickness, sitting, sneeze, sneezing, sofa, symptom, tissue, treatment, unwell, virus, winter, wipe, young,