Ключевые слова: 2021, background, black, breathing, card, celebration, christmas, clinical, communication, concept, corona, coronavirus, covid, covid19, design, disease, epidemic, eve, flu, glass, happiness, happy, health, healthcare, holiday, hospital, illness, infection, isolated, mask, medical, medicine, message, new, new year, number, pandemic, party, pharmaceutical, prevention, protection, quarantine, red, science, social, virus, white, wish, year,