Ключевые слова: 3d illustration, alert, antibiotics, background, bacterial infection, biohazard, biology, blood, chart, concept, contagious, corona, coronavirus, covid, covid19, decline graph, delta, diagram, disease, epidemic, flu, global, global markets, graph, illness, illustration, infection, infectious, medical, medicine, microbiology, mutation, mutations, omicron, outbreak, pandemic, pathogenic, pathology, quarantine, retrovirus, sars, science, vaccine, viral, virology, virus, virus spread, white background,