https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/8782618Edit ImageSaveSaveEditCropCustom TextProtect yourself: protect our patients : get the influenza vaccine. The background is in metallic magenta. A round virus is shown, with pointed objects on the outside wall and chain-like objects on the inside. Three similar but smaller circles surround the larger one. Original public domain image from Flickr MorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 789 x 1200 px | 300 dpiLarge JPEG 2232 x 3396 px | 300 dpiFree DownloadProtect yourself: protect our patients : get the influenza vaccine. The background is in metallic magenta. A round virus is shown, with pointed objects on the outside wall and chain-like objects on the inside. Three similar but smaller circles surround the larger one. Original public domain image from Flickr More