Ключевые слова: adult, air pollution, allergy, avian flu virus, bacterium, city, city life, city street, communication, covid19, dirty, environmental issues, epidemic, fear, fog, fumes, gas, healthcare and medicine, illness, illness prevention, immune system, infectious disease, internet, lifestyles, looking away, one person, one young woman only, only women, outdoors, people, pollution, pollution mask, portable information device, prevention, safety, serious, smart phone, smog, social issues, text messaging, tourist, unhygienic, using phone, virus, wireless technology, women, worried, young adult, young women,