Ключевые слова: abstract, alien, allergy, background, bacteria, bacteries, bacterium, biology, cancer, cartoon, character, collection, creature, cute, danger, different, disease, epidemic, flu, funny, germ, health, icon, illness, illustration, infection, isolated, kind, logo, medical, medicine, microbe, microbiology, microscopic, monster, organism, pathogenic, purple, science, set, sign, symbol, types, unrealistic, vector, virology, virus, viruses,