Ключевые слова: advice, avoid, background, blue, concept, control, coronavirus, covid19, danger, dangerous, diagonal, disease, epidemic, font, hashtag, hazard, health, home, infection, information, inscription, isolation, keyword, letter, lettering, letters, medical, medicine, message, object, outbreak, pandemic, pastel, plague, pneumonia, prevention, protection, quarantine, safety, self, selfisolation, sign, slogan, stay, text, virus, warning, word, words,