Ключевые слова: adult, background, care, catch, caucasian, cold, color, contagious, coughing, diagnosis, disease, epidemic, fever, flu, health, ill, immunity, influenza, male, man, medical, medicine, pandemic, people, person, pneumonia, portrait, red, respiratory, season, sick, sickness, sneezing, sore, symptom, temperature, throat, tissue, unhealthy, virus,