Ключевые слова: adult, air, air pollution, asia, asian, background, black, care, china, chinese, city, city life, concept, contamination, corona, coronavirus, danger, death, disease, environment, epidemic, face, flu, global, health, horizontal, hospital, illness, infection, lifestyles, man, mask, medical, pandemic, person, pollution, prevention, protect, protection, protective, quarantine, respiratory, risk, safety, sick, transportation, urban, virus, wearing,