concept of influenza treatment

3d antiviral avian background biology black closeup colorful concept conceptual destruction disease electron flu germ h1n1 h3n2 h5n8 hemagglutinin human illustration image infection infectious influenza isolated medical medicine microbe microbiology microorganism microscope microscopy model molecular neuraminidaze orthomyxoviridae orthomyxovirus prevention render rimantadine rna science structure swine symptoms treatment viral virology virus