Ключевые слова: 3d, antiviral, avian, biology, closeup, colorful, disease, electron, flu, germ, h1n1, h3n2, health, hemagglutinin, human, illustration, infection, infectious, influenza, isolated, medical, medicine, microbe, microbiology, microorganism, microscope, microscopy, model, molecular, neuraminidaze, orthomyxoviridae, orthomyxovirus, render, rna, science, sick, structure, swine, symptoms, viral, virology, virus,