Ключевые слова: 3d, abstract, antiviral, background, biology, brain, cell, close, closeup, colorful, concept, contagious, dark, dementia, diagnosis, disease, electron, epidemic, health, healthy, human, illustration, infection, infectious, macro, medical, medicine, micro, microbiology, microorganism, nerve, network, neural, neuron, nucleus, protein, receptor, render, rendering, respiratory, science, structure, synapse, system, technology, test, up, vaccine, viral, virus,