Ключевые слова: 2020, 2021, abstract, art, bacteria, begin, biology, biotechnology, calendar, cartoon, chance, change, concept, corona, coronavirus, covid, danger, design, disease, end, epidemic, era, figure, flu, future, global, graphic, health care, healthy, infect, influenza, medical, mutation, new, new year, number, pandemic, pathogen, reboot, research, science, sign, start, symbol, threedimensional, treatment, typography, vaccine, year,