Ключевые слова: abstract, bacillus, background, bacteria, bacterium, biology, bug, cancer, cartoon, cell, collection, creature, danger, design, disease, ebola, epidemic, flat, flu, germ, health, human, icon, illness, illustration, infection, influenza, isolated, medical, medicine, micro, microbe, microbiology, microorganism, microscope, microscopic, nature, organism, pandemic, pathogen, probiotic, science, set, sick, sign, small, symbol, virus, white,