Ключевые слова: 2019ncov, autumn, child, city, covid, covid19, defense, disease, dust, epidemic, face, fall, flu, girl, hand, hazard, health, healthy, ill, illness, infection, infectious, influenza, kid, little, mask, medical, modern, ncov, outbreak, pandemic, people, pm 25, pm25, pollution, portrait, prevention, protect, protection, protective, quarantine, red, safe, safety, scarf, sick, virus, yellow,