Ключевые слова: agar, analysis, background, bacteria, bacterial, bacterium, biology, biotechnology, cell, colony, culture, disease, dish, epidemic, experiment, food, growth, hand, health, human, hygiene, illness, infection, isolated, lab, laboratory, macro, medical, medicine, micro, microbe, microbiology, microorganism, microscope, microscopic, organism, pandemic, pathogen, petri, petri dish, plate, research, safety, sample, science, scientific, sickness, test, virus,