Ключевые слова: adult, bacteria, breathing, care, caucasian, close, contagious, coronavirus, cough, covid19, disease, doctor, dof, endemic, epidemic, evening, face, female, flare, golden, health, illness, infection, lens, light, mask, morning, motion, nurse, outbreak, outdoors, pandemic, portrait, protection, protective, safety, slow, spreading, suit, sun, surgical, system, up, urban, virus, wide, woman, young,