https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13953295Edit ImageSaveSaveEditCropCustom TextLuigi Marchelli, a Genoese surgeon, obtains from a sheep matter for inoculation against smallpox. Coloured etching, c. 1807.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 921 px | 300 dpiLarge JPEG 3100 x 2378 px | 300 dpiFree DownloadLuigi Marchelli, a Genoese surgeon, obtains from a sheep matter for inoculation against smallpox. Coloured etching, c. 1807.More