Ключевые слова: adult, advice, application, asian, business person, cold, communication, complaining, connection, consulting, coronavirus, covid19, diagnostic, disease, expertise, female, flu, internet, lifestyles, mobile phone, modern, one person, online, physician, portable information device, professional occupation, relaxation, sick, smart phone, smart watch, smartwatch, symptom, technology, telemedicine, text messaging, video calling, vietnamese, watch, wireless technology, women, wristwatch, young women,