Ключевые слова: 3d, biohazard symbol, biology, biosecurity, cells, concept, contagious, copy space, coronavirus, covid 19, dangerous, digitally generated, disease, dna strand, epidemic, global, health, healthcare, illness, immune system, infection, medical, microbiology, no people, outbreak, pandemic, prevention, protection, public health, quarantine, research, respiratory, respiratory system, science, spread, spreading, transmission, vaccine, viral, virus,