Ключевые слова: abstract, america, american, bacillus, bacteria, biohazard, biological hazard, collage, composed, concept, conceptual, contagious, continent, continental, disaster, element, epidemic, filled, flat, geography, grippe, icon, illustration, infect, infection, infectious, item, map, mers, microbe, mosaic, north, pathogenic, random, red, sars, scattered, sickness, south, viral, virus,