Ключевые слова: alien, art, bacteria, bacterial, bacterium, biology, cell, character, childish, collection, colorful, comic, cool, creature, cute, disease, emoticon, emotion, epidemic, expression, eye, face, facial, fantastic, flu, funny, germ, happy, illness, illustration, infection, isolated, microbe, microbiology, microorganism, mouth, mutant, organism, pathogen, set, shape, small, smiling, symbol, tentacle, ugly, virus, weird,