Ключевые слова: amoeba, bacilli, background, bacteria, bacterium, banner, biology, blue, bright, cell, circle, color, colorful, concept, danger, dark, diagram, disease, diseased, health, horizontal, human, hygiene, icon, ill, illustration, infect, isolated text, line, linear, medicine, microbe, microorganism, microscopic, organism, parasitology, pathogen, pictogram, science, sick, sign, silhouette, structure, symbol, system, technology, template, thin, vector, virus,