Ключевые слова: announcement, appeal, background, brick, by hand, cafe, cafeteria, care, caution, chair, closed, concept, coronavirus, dangerous, empty, epidemic, handwritten, health, healthcare, measures, nobody, note, notebook, notice, outdoors, pandemic, paper, preventive, quarantine, red, reminder, safe, serious, service, sheet, sign, situation, street, strict, table, take care, text, virus, wall, warning, white, wooden,