Ключевые слова: 3d, antiviral, background, biology, cell, closeup, cold, colorful, common, cough, disease, germ, health, hemagglutinin, human, illustration, infection, infectious disease, measles, medical, medicine, microbe, microbiology, microorganism, microscope, model, molecular, neuraminidaze, parainfluenza, paramyxovirus, render, respiratory, rna, science, sick, structure, symptoms, viral, virology, virus,