Ключевые слова: above, accuracy, allergy, analysis, arrangement, art, bacterium, biochemistry, blossom, blue, chemical, clinical, closeup, container, discovery, epidemic, examination, experiment, flu, glassware, group, health, illness, infection, investigation, laboratory, medical, microbiology, pandemic, pattern, penetration, pharmaceutical, pneumonia, prevention, quarantine, research, respiratory, row, syringe, test, text, top, top view, tray, vaccine, view, virus,