Ключевые слова: 3d, anatomy, antivirus, biological, biology, biomedical, cell, cells, cellular, closeup, concept, contagion, emergency, epidemic, flu, flu virus, global, health, illness, illustration, infect, infected, infection, infectious, infectious disease, medical, medicine, microbe, microbiology, microscopic, mutation, pandemic, pathology, pneumonia, prevention, sars, science, structure, transmission, vaccine, vaccines, virology, virus, viruses,