Preview Transmission electron micrograph of influenza A virus, early passage. The swine influenza virus as all Influenza A virus, is a pleomorphic virus Image ID: 1348-131 Artist: BSIP Purchase a commercial license Buy framed prints & more from our print store horizontal result texture scientific imagery microscope electronic microscope tem medicine flu influenza a microbiology microorganism virology virus rna virus orthomyxoviridae flu virus influenzavirus influenza virus a