B00526-Swine-fluRelatedB00528-Swine-fluCDC-11215-swine-flu - A close up of a green substance on a purple surfaceCDC-11214-swine-flu - A close up of a bunch of brown and white germsRiverrovers-054b - A black and white photo of a couple of people standing outside of a housePassenger steamship collection - Passagerarfartyg, Fo169506ABMFJII 005MoreB00526-Swine-flufile_downloadDownloadcrop_originalOrder Printrate_reviewdescriptionSummaryNegative stain EM image of the swine influenza A/CA/4/09label_outlineTagscdcbiologypublic health2009 swine flu outbreakswine flutransmission electron microscopic images of h 1 n 1 influenzaviruscenter for disease controlus center for disease controlcdc public health image libraryhigh resolutionveterinarydate_rangeDate01/04/2009createSourcecdc.govlinkLinkhttp://commons.wikimedia.org/copyrightCopyright infopublic domain