Ключевые слова: air, allergy, asian, care, concept, danger, disease, dust, environment, epidemic, face, female, flu, girl, health, healthy, hospital, human, ill, illness, infection, influenza, isolated, mask, medical, medicine, mouth, outbreak, people, person, pollution, portrait, prevention, protect, protection, protective, safety, sick, smog, toxic, virus, wearing, woman, young,