Ключевые слова: abstract, attack, authorized, background, biology, border, checkout, concept, design, diseases, document, element, epidemic, experiment, frame, genetics, grunge, h5n1, health, human, ill, illness, infections, label, life, medical, medicine, micro, microbes, microbiology, microscopic, name, raw, rubber, science, scientific, seal, sick, sickness, sign, stamp, stucco, symbol, text, texture, validate, validation, verification, virus, word,