Ключевые слова: adult, asian, bus, care, citizen, commuter, corona, coronavirus, covid, defense, disease, epidemic, face, facial, female, fever, flu, girl, infection, influenza, japanese, korean, mask, medical, modern, one, pandemic, passenger, person, portrait, prevention, protection, public, respiratory, safety, sick, station, tram, transportation, travel, urban, viral, virus, wearing, woman, young,