Ключевые слова: 4049 years, adult, allergy, business, businessman, casual, caucasian ethnicity, cold temperature, coughing, entrepreneur, executive director, flu virus, healthy lifestyle, illness, infectious disease, male, man, mature adult, medical condition, medicine, middle aged, middleaged man, modern, office, one man only, pain, people, shivering, sitting, symptom, throat, virus, white people,