Ключевые слова: alertness, assistance, back to school, cancellation, cinema, classroom, closing, concepts, concert, danger, economy, education, entertainment, epidemic, event, film industry, finance and economy, healthcare and medicine, hospital, hygiene, illness, illness prevention, infectious disease, learning, lockdown, medicine, movie, movie theater, pandemic illness, performance, quarantine, red, reminder, respiratory system, safety, school building, science, show, sign, spectator, studying, symptom, the media, viewer, virus,