Ключевые слова: 67 years, antiseptic, applying, attending, back to school, backpack, bacterium, bottle, care, child, childhood, children, clean, coronavirus, danger, dirty, disinfectant, education, elementary school, epidemic, family, girl, hand, health, healthcare and medicine, healthy lifestyle, human hand, hygiene, illness, kid, learning, lifestyles, liquid, medical, medicine, outdoors, pollution, prevention, protection, public, safety, sanitizer, school, school supplies, schoolgirl, sitting, teaching, teenager, travel, unhygienic,