Ключевые слова: 4o, bacteria, biology, biology research, cells, cellular, cluster, contagion, contaminant, disease, epidemic, germ, health, infection, infectious, lab, laboratory, magnified, medical, microbe, microbial, microbiology, microorganism, microscope, microscopic, microscopic organisms, microscopic view, microscopy, organism, pandemic, pathogen, pathology, research, science, scientific study, specimen, tiny, virology, virus, virus cluster, viruses,