Ключевые слова: adult, allergies, allergy, asian, asthma, background, breathing, bronchitis, care, chest pain, chronic cough, cold, concept, cough, disease, expression, face, female, fever, flu, grey, health, health care, home, ill, illness, infection, influenza, isolated, lung disease, medical, pain, person, phlegm, pneumonia, portrait, respiratory tract infection, sick, sickness, sore, sore throat, sputum, symptom, throat, tuberculosis, unhealthy, virus, white, woman, young,