Ключевые слова: background, biohazard, biology, blue, cell, cells, concept, contamination, corona, corona viruses, coronavirus, covid19, danger, diagnosis, disease, dna, double, earth, epidemic, flat, flu, global, globe, graphic, health, helix, illness, illustration, immunity, infect, infection, influenza, medicine, mers, microbiology, orbit, outbreak, pandemic, pathogen, pneumonia, polygon, quarantine, risk, science, scientific, virology, virus, wireframe, world,