Ключевые слова: back to school, boy, care, child, children, class, classroom, coronavirus, covid19, desk, disease, distance, education, elementary, explain, face, female, girl, group, health, indoors, infection, kid, kids, learn, learning, lesson, lockdown, mask, new normal, outbreak, pandemic, people, prevention, primary, protection, protective, pupil, quarantine, real people, safety, school, selective focus, sitting, students, study, table, teacher, virus, wearing,