Ключевые слова: 3d, abnormal, bacteria, bacterial, bacterium, biological, biology, coccus, contagion, disease, epidemic, group, health, healthcare, ill, illness, illustration, immune, infected, infection, magnification, medical, meningitidis, meningitis, meningitis bacteria, meningococcal, meningococcus, microbiology, microscopic, model, neisseria, pathogenic, science, shaped, sick, sickness, surface, system, unhealthy, unwell, visualization, weak,