Ключевые слова: alphabet, attention, blocking, blocks, blue background, careful, carrier infection, caution, concept, copy space, coronavirus, covid, covid19, crisis, cube, dangerous, difficult, disease, epidemic, flat lay, flu, health care, hygiene, ill, infected, infection, isolated, motivation, no people, nobody, object, pandemic, phrase, pneumonia, precaution, prevention, problem, protect, protection, quarantine, quote, sign, slogan, stay at home, stay home, symbol, text, virus, word,