Livestock vaccination, farm industry. Original public domain image from Flickr https://www.rawpixel.com/image/8732147/photo-image-public-domain-women-ag-peopleFree Image from public domain licenseEmily Chamelin shearing and vaccinating sheep on farm in Westminster, Maryland, June 19, 2021. (USDA/FPAC photo by Preston… https://www.rawpixel.com/image/8708524/photo-image-public-domain-woman-animalFree Image from public domain licenseTrattato di vaccinazione con osservazioni sul giavardo e vajuolo pecorino / Del dottore Luigi Sacco ... Con quattro tavole… https://www.rawpixel.com/image/13968060/image-cartoon-face-personFree Image from public domain licenseEdward Jenner vaccinating his son, held by Mrs Jenner; a maid rolls up her sleeve, a man stands outside holding a cow.… https://www.rawpixel.com/image/13961450/image-dog-cats-cartoonFree Image from public domain license