https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14003363Edit ImageSaveSaveEditCropCustom TextOpening of the IV International Congress on Malaria and Tropical diseases. Photograph, Washington, 1948.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 926 px | 300 dpiLarge JPEG 3208 x 2476 px | 300 dpiFree DownloadOpening of the IV International Congress on Malaria and Tropical diseases. Photograph, Washington, 1948.More