Ключевые слова: adolescent, adult, boy, care, caucasian, child, childhood, classroom, contemporary, coronavirus, dangerous, disease, education, elementary, epidemy, girl, group, illness, infection, kid, knowledge, mask, pandemic, people, person, protection, safety, sanitizer, school, schoolboy, schoolchild, schoolgirl, schoolkid, spraying, student, teacher, virus, woman, young, youthful,