Ключевые слова: autumn, back to school, background, backpack, care, child, contagion, contamination, corona, corona virus, coronavirus, covid, covid19, education, education training class, epidemic, flu, girl, green, health, health care, healthcare, illness, isolate, kid, knowledge, learning, mask, medical mask, mers, modern, october, one person, pandemic, people, person, posing, primary, protect, protective, protective mask, pupil, reopen, respirator, safe, safety, sarscov2, school, school child, schoolgirl, september, study, virus,