Keywords
abstract, artwork, avian influenza, bacteria, bacteriology, biochemistry, biology, biomedical illustrations, biomolecule, blue, cell, cell biology, close-up, color image, cytoplasm, detail, digitally generated image, disease, endemic, epidemic, epidemiology, flu virus, glass, h5n1 virus, healthcare, horizontal, illness, illustration, infection, influenza, influenza virus, magnification, medical, medicine, microbe, microbiology, microorganism, microscopic, molecular biology, no people, organ, organism, orthomyxovirus, pandemic, pathogen, pathology, physiology, protoplasm, round, science, spiked, surface, swine flu, swine influenza, three dimensional, virology, virus, stock illustration, royalty free illustrations, stock clip art icon, stock clipart icons, logo, line art, EPS picture, pictures, graphic, graphics, drawing, drawings, vector image, artwork, EPS vector arts, fine art prints, print, poster, posters, mural, wall murals, stk700449h